use of soot.jimple.StaticFieldRef in project robovm by robovm.
the class MethodCompiler method assign.
private void assign(DefinitionStmt stmt) {
/*
* leftOp is either a Local, an ArrayRef or a FieldRef
* rightOp is either a Local, a Ref, or an Expr
*/
soot.Value rightOp = stmt.getRightOp();
Value result;
if (rightOp instanceof Immediate) {
Immediate immediate = (Immediate) rightOp;
result = immediate(stmt, immediate);
} else if (rightOp instanceof ThisRef) {
result = function.getParameterRef(1);
} else if (rightOp instanceof ParameterRef) {
ParameterRef ref = (ParameterRef) rightOp;
int index = (sootMethod.isStatic() ? 1 : 2) + ref.getIndex();
Value p = new VariableRef("p" + index, getType(ref.getType()));
result = widenToI32Value(stmt, p, isUnsigned(ref.getType()));
} else if (rightOp instanceof CaughtExceptionRef) {
result = call(stmt, BC_EXCEPTION_CLEAR, env);
} else if (rightOp instanceof ArrayRef) {
ArrayRef ref = (ArrayRef) rightOp;
VariableRef base = (VariableRef) immediate(stmt, (Immediate) ref.getBase());
if (ref.getType() instanceof NullType) {
// The base value is always null. Do a null check which will
// always throw NPE.
checkNull(stmt, base);
return;
} else {
Value index = immediate(stmt, (Immediate) ref.getIndex());
checkNull(stmt, base);
checkBounds(stmt, base, index);
result = call(stmt, getArrayLoad(ref.getType()), base, index);
result = widenToI32Value(stmt, result, isUnsigned(ref.getType()));
}
} else if (rightOp instanceof InstanceFieldRef) {
InstanceFieldRef ref = (InstanceFieldRef) rightOp;
Value base = immediate(stmt, (Immediate) ref.getBase());
checkNull(stmt, base);
FunctionRef fn = null;
if (canAccessDirectly(ref)) {
fn = new FunctionRef(Symbols.getterSymbol(ref.getFieldRef()), new FunctionType(getType(ref.getType()), ENV_PTR, OBJECT_PTR));
} else {
soot.Type runtimeType = ref.getBase().getType();
String targetClassName = getInternalName(ref.getFieldRef().declaringClass());
String runtimeClassName = runtimeType == NullType.v() ? targetClassName : getInternalName(runtimeType);
Trampoline trampoline = new GetField(this.className, targetClassName, ref.getFieldRef().name(), getDescriptor(ref.getFieldRef().type()), runtimeClassName);
trampolines.add(trampoline);
fn = trampoline.getFunctionRef();
}
result = call(stmt, fn, env, base);
result = widenToI32Value(stmt, result, isUnsigned(ref.getType()));
} else if (rightOp instanceof StaticFieldRef) {
StaticFieldRef ref = (StaticFieldRef) rightOp;
FunctionRef fn = config.isDebug() ? null : Intrinsics.getIntrinsic(sootMethod, stmt);
if (fn == null) {
if (canAccessDirectly(ref)) {
fn = new FunctionRef(Symbols.getterSymbol(ref.getFieldRef()), new FunctionType(getType(ref.getType()), ENV_PTR));
} else {
String targetClassName = getInternalName(ref.getFieldRef().declaringClass());
Trampoline trampoline = new GetStatic(this.className, targetClassName, ref.getFieldRef().name(), getDescriptor(ref.getFieldRef().type()));
trampolines.add(trampoline);
fn = trampoline.getFunctionRef();
}
}
result = call(stmt, fn, env);
result = widenToI32Value(stmt, result, isUnsigned(ref.getType()));
} else if (rightOp instanceof Expr) {
if (rightOp instanceof BinopExpr) {
BinopExpr expr = (BinopExpr) rightOp;
Type rightType = getLocalType(expr.getType());
Variable resultVar = function.newVariable(rightType);
result = resultVar.ref();
Value op1 = immediate(stmt, (Immediate) expr.getOp1());
Value op2 = immediate(stmt, (Immediate) expr.getOp2());
if (rightOp instanceof AddExpr) {
if (rightType instanceof IntegerType) {
function.add(new Add(resultVar, op1, op2)).attach(stmt);
} else {
function.add(new Fadd(resultVar, op1, op2)).attach(stmt);
}
} else if (rightOp instanceof AndExpr) {
function.add(new And(resultVar, op1, op2)).attach(stmt);
} else if (rightOp instanceof CmpExpr) {
Variable t1 = function.newVariable(I1);
Variable t2 = function.newVariable(I1);
Variable t3 = function.newVariable(resultVar.getType());
Variable t4 = function.newVariable(resultVar.getType());
function.add(new Icmp(t1, Condition.slt, op1, op2)).attach(stmt);
function.add(new Icmp(t2, Condition.sgt, op1, op2)).attach(stmt);
function.add(new Zext(t3, new VariableRef(t1), resultVar.getType())).attach(stmt);
function.add(new Zext(t4, new VariableRef(t2), resultVar.getType())).attach(stmt);
function.add(new Sub(resultVar, new VariableRef(t4), new VariableRef(t3))).attach(stmt);
} else if (rightOp instanceof DivExpr) {
if (rightType instanceof IntegerType) {
FunctionRef f = rightType == I64 ? LDIV : IDIV;
result = call(stmt, f, env, op1, op2);
} else {
// float or double
function.add(new Fdiv(resultVar, op1, op2)).attach(stmt);
}
} else if (rightOp instanceof MulExpr) {
if (rightType instanceof IntegerType) {
function.add(new Mul(resultVar, op1, op2)).attach(stmt);
} else {
function.add(new Fmul(resultVar, op1, op2)).attach(stmt);
}
} else if (rightOp instanceof OrExpr) {
function.add(new Or(resultVar, op1, op2)).attach(stmt);
} else if (rightOp instanceof RemExpr) {
if (rightType instanceof IntegerType) {
FunctionRef f = rightType == I64 ? LREM : IREM;
result = call(stmt, f, env, op1, op2);
} else {
FunctionRef f = rightType == DOUBLE ? DREM : FREM;
result = call(stmt, f, env, op1, op2);
}
} else if (rightOp instanceof ShlExpr || rightOp instanceof ShrExpr || rightOp instanceof UshrExpr) {
IntegerType type = (IntegerType) op1.getType();
int bits = type.getBits();
Variable t = function.newVariable(op2.getType());
function.add(new And(t, op2, new IntegerConstant(bits - 1, (IntegerType) op2.getType()))).attach(stmt);
Value shift = t.ref();
if (((IntegerType) shift.getType()).getBits() < bits) {
Variable tmp = function.newVariable(type);
function.add(new Zext(tmp, shift, type)).attach(stmt);
shift = tmp.ref();
}
if (rightOp instanceof ShlExpr) {
function.add(new Shl(resultVar, op1, shift)).attach(stmt);
} else if (rightOp instanceof ShrExpr) {
function.add(new Ashr(resultVar, op1, shift)).attach(stmt);
} else {
function.add(new Lshr(resultVar, op1, shift)).attach(stmt);
}
} else if (rightOp instanceof SubExpr) {
if (rightType instanceof IntegerType) {
function.add(new Sub(resultVar, op1, op2)).attach(stmt);
} else {
function.add(new Fsub(resultVar, op1, op2)).attach(stmt);
}
} else if (rightOp instanceof XorExpr) {
function.add(new Xor(resultVar, op1, op2)).attach(stmt);
} else if (rightOp instanceof XorExpr) {
function.add(new Xor(resultVar, op1, op2)).attach(stmt);
} else if (rightOp instanceof CmplExpr) {
FunctionRef f = op1.getType() == FLOAT ? FCMPL : DCMPL;
function.add(new Call(resultVar, f, op1, op2)).attach(stmt);
} else if (rightOp instanceof CmpgExpr) {
FunctionRef f = op1.getType() == FLOAT ? FCMPG : DCMPG;
function.add(new Call(resultVar, f, op1, op2)).attach(stmt);
} else {
throw new IllegalArgumentException("Unknown type for rightOp: " + rightOp.getClass());
}
} else if (rightOp instanceof CastExpr) {
Value op = immediate(stmt, (Immediate) ((CastExpr) rightOp).getOp());
soot.Type sootTargetType = ((CastExpr) rightOp).getCastType();
soot.Type sootSourceType = ((CastExpr) rightOp).getOp().getType();
if (sootTargetType instanceof PrimType) {
Type targetType = getType(sootTargetType);
Type sourceType = getType(sootSourceType);
if (targetType instanceof IntegerType && sourceType instanceof IntegerType) {
// op is at least I32 and has already been widened if source type had fewer bits then I32
IntegerType toType = (IntegerType) targetType;
IntegerType fromType = (IntegerType) op.getType();
Variable v = function.newVariable(toType);
if (fromType.getBits() < toType.getBits()) {
// Widening
if (isUnsigned(sootSourceType)) {
function.add(new Zext(v, op, toType)).attach(stmt);
} else {
function.add(new Sext(v, op, toType)).attach(stmt);
}
} else if (fromType.getBits() == toType.getBits()) {
function.add(new Bitcast(v, op, toType)).attach(stmt);
} else {
// Narrow
function.add(new Trunc(v, op, toType)).attach(stmt);
}
result = widenToI32Value(stmt, v.ref(), isUnsigned(sootTargetType));
} else if (targetType instanceof FloatingPointType && sourceType instanceof IntegerType) {
// we always to a signed conversion since if op is char it has already been zero extended to I32
Variable v = function.newVariable(targetType);
function.add(new Sitofp(v, op, targetType)).attach(stmt);
result = v.ref();
} else if (targetType instanceof FloatingPointType && sourceType instanceof FloatingPointType) {
Variable v = function.newVariable(targetType);
if (targetType == FLOAT && sourceType == DOUBLE) {
function.add(new Fptrunc(v, op, targetType)).attach(stmt);
} else if (targetType == DOUBLE && sourceType == FLOAT) {
function.add(new Fpext(v, op, targetType)).attach(stmt);
} else {
function.add(new Bitcast(v, op, targetType)).attach(stmt);
}
result = v.ref();
} else {
// F2I, F2L, D2I, D2L
FunctionRef f = null;
if (targetType == I32 && sourceType == FLOAT) {
f = F2I;
} else if (targetType == I64 && sourceType == FLOAT) {
f = F2L;
} else if (targetType == I32 && sourceType == DOUBLE) {
f = D2I;
} else if (targetType == I64 && sourceType == DOUBLE) {
f = D2L;
} else {
throw new IllegalArgumentException();
}
Variable v = function.newVariable(targetType);
function.add(new Call(v, f, op)).attach(stmt);
result = v.ref();
}
} else {
if (sootTargetType instanceof soot.ArrayType && ((soot.ArrayType) sootTargetType).getElementType() instanceof PrimType) {
soot.Type primType = ((soot.ArrayType) sootTargetType).getElementType();
GlobalRef arrayClassPtr = new GlobalRef("array_" + getDescriptor(primType), CLASS_PTR);
Variable arrayClass = function.newVariable(CLASS_PTR);
function.add(new Load(arrayClass, arrayClassPtr)).attach(stmt);
result = call(stmt, CHECKCAST_PRIM_ARRAY, env, arrayClass.ref(), op);
} else {
String targetClassName = getInternalName(sootTargetType);
Trampoline trampoline = new Checkcast(this.className, targetClassName);
trampolines.add(trampoline);
result = call(stmt, trampoline.getFunctionRef(), env, op);
}
}
} else if (rightOp instanceof InstanceOfExpr) {
Value op = immediate(stmt, (Immediate) ((InstanceOfExpr) rightOp).getOp());
soot.Type checkType = ((InstanceOfExpr) rightOp).getCheckType();
if (checkType instanceof soot.ArrayType && ((soot.ArrayType) checkType).getElementType() instanceof PrimType) {
soot.Type primType = ((soot.ArrayType) checkType).getElementType();
GlobalRef arrayClassPtr = new GlobalRef("array_" + getDescriptor(primType), CLASS_PTR);
Variable arrayClass = function.newVariable(CLASS_PTR);
function.add(new Load(arrayClass, arrayClassPtr)).attach(stmt);
result = call(stmt, INSTANCEOF_PRIM_ARRAY, env, arrayClass.ref(), op);
} else {
String targetClassName = getInternalName(checkType);
Trampoline trampoline = new Instanceof(this.className, targetClassName);
trampolines.add(trampoline);
result = call(stmt, trampoline.getFunctionRef(), env, op);
}
} else if (rightOp instanceof NewExpr) {
String targetClassName = getInternalName(((NewExpr) rightOp).getBaseType());
FunctionRef fn = null;
if (targetClassName.equals(this.className)) {
fn = FunctionBuilder.allocator(sootMethod.getDeclaringClass()).ref();
} else {
Trampoline trampoline = new New(this.className, targetClassName);
trampolines.add(trampoline);
fn = trampoline.getFunctionRef();
}
result = call(stmt, fn, env);
} else if (rightOp instanceof NewArrayExpr) {
NewArrayExpr expr = (NewArrayExpr) rightOp;
Value size = immediate(stmt, (Immediate) expr.getSize());
if (expr.getBaseType() instanceof PrimType) {
result = call(stmt, getNewArray(expr.getBaseType()), env, size);
} else {
String targetClassName = getInternalName(expr.getType());
Trampoline trampoline = new Anewarray(this.className, targetClassName);
trampolines.add(trampoline);
result = call(stmt, trampoline.getFunctionRef(), env, size);
}
} else if (rightOp instanceof NewMultiArrayExpr) {
NewMultiArrayExpr expr = (NewMultiArrayExpr) rightOp;
if (expr.getBaseType().numDimensions == 1 && expr.getBaseType().getElementType() instanceof PrimType) {
Value size = immediate(stmt, (Immediate) expr.getSize(0));
result = call(stmt, getNewArray(expr.getBaseType().getElementType()), env, size);
} else {
for (int i = 0; i < expr.getSizeCount(); i++) {
Value size = immediate(stmt, (Immediate) expr.getSize(i));
Variable ptr = function.newVariable(new PointerType(I32));
function.add(new Getelementptr(ptr, dims.ref(), 0, i)).attach(stmt);
function.add(new Store(size, ptr.ref())).attach(stmt);
}
Variable dimsI32 = function.newVariable(new PointerType(I32));
function.add(new Bitcast(dimsI32, dims.ref(), dimsI32.getType())).attach(stmt);
String targetClassName = getInternalName(expr.getType());
Trampoline trampoline = new Multianewarray(this.className, targetClassName);
trampolines.add(trampoline);
result = call(stmt, trampoline.getFunctionRef(), env, new IntegerConstant(expr.getSizeCount()), dimsI32.ref());
}
} else if (rightOp instanceof InvokeExpr) {
result = invokeExpr(stmt, (InvokeExpr) rightOp);
} else if (rightOp instanceof LengthExpr) {
Value op = immediate(stmt, (Immediate) ((LengthExpr) rightOp).getOp());
checkNull(stmt, op);
Variable v = function.newVariable(I32);
function.add(new Call(v, ARRAY_LENGTH, op)).attach(stmt);
result = v.ref();
} else if (rightOp instanceof NegExpr) {
NegExpr expr = (NegExpr) rightOp;
Value op = immediate(stmt, (Immediate) expr.getOp());
Type rightType = op.getType();
Variable v = function.newVariable(op.getType());
if (rightType instanceof IntegerType) {
function.add(new Sub(v, new IntegerConstant(0, (IntegerType) rightType), op)).attach(stmt);
} else {
function.add(new Fmul(v, new FloatingPointConstant(-1.0, (FloatingPointType) rightType), op)).attach(stmt);
}
result = v.ref();
} else {
throw new IllegalArgumentException("Unknown type for rightOp: " + rightOp.getClass());
}
} else {
throw new IllegalArgumentException("Unknown type for rightOp: " + rightOp.getClass());
}
soot.Value leftOp = stmt.getLeftOp();
if (leftOp instanceof Local) {
Local local = (Local) leftOp;
VariableRef v = new VariableRef(local.getName(), new PointerType(getLocalType(leftOp.getType())));
function.add(new Store(result, v, !sootMethod.getActiveBody().getTraps().isEmpty())).attach(stmt);
} else {
Type leftType = getType(leftOp.getType());
Value narrowedResult = narrowFromI32Value(stmt, leftType, result);
if (leftOp instanceof ArrayRef) {
ArrayRef ref = (ArrayRef) leftOp;
VariableRef base = (VariableRef) immediate(stmt, (Immediate) ref.getBase());
Value index = immediate(stmt, (Immediate) ref.getIndex());
checkNull(stmt, base);
checkBounds(stmt, base, index);
if (leftOp.getType() instanceof RefLikeType) {
call(stmt, BC_SET_OBJECT_ARRAY_ELEMENT, env, base, index, narrowedResult);
} else {
call(stmt, getArrayStore(leftOp.getType()), base, index, narrowedResult);
}
} else if (leftOp instanceof InstanceFieldRef) {
InstanceFieldRef ref = (InstanceFieldRef) leftOp;
Value base = immediate(stmt, (Immediate) ref.getBase());
checkNull(stmt, base);
FunctionRef fn = null;
if (canAccessDirectly(ref)) {
fn = new FunctionRef(Symbols.setterSymbol(ref.getFieldRef()), new FunctionType(VOID, ENV_PTR, OBJECT_PTR, getType(ref.getType())));
} else {
soot.Type runtimeType = ref.getBase().getType();
String targetClassName = getInternalName(ref.getFieldRef().declaringClass());
String runtimeClassName = runtimeType == NullType.v() ? targetClassName : getInternalName(runtimeType);
Trampoline trampoline = new PutField(this.className, targetClassName, ref.getFieldRef().name(), getDescriptor(ref.getFieldRef().type()), runtimeClassName);
trampolines.add(trampoline);
fn = trampoline.getFunctionRef();
}
call(stmt, fn, env, base, narrowedResult);
} else if (leftOp instanceof StaticFieldRef) {
StaticFieldRef ref = (StaticFieldRef) leftOp;
FunctionRef fn = null;
if (canAccessDirectly(ref)) {
fn = new FunctionRef(Symbols.setterSymbol(ref.getFieldRef()), new FunctionType(VOID, ENV_PTR, getType(ref.getType())));
} else {
String targetClassName = getInternalName(ref.getFieldRef().declaringClass());
Trampoline trampoline = new PutStatic(this.className, targetClassName, ref.getFieldRef().name(), getDescriptor(ref.getFieldRef().type()));
trampolines.add(trampoline);
fn = trampoline.getFunctionRef();
}
call(stmt, fn, env, narrowedResult);
} else {
throw new IllegalArgumentException("Unknown type for leftOp: " + leftOp.getClass());
}
}
}
use of soot.jimple.StaticFieldRef in project soot by Sable.
the class MethodNodeFactory method handleStmt.
/**
* Adds the edges required for this statement to the graph.
*/
public final void handleStmt(Stmt s) {
// We only consider reflective class creation when it is enabled
if (s.containsInvokeExpr()) {
if (!pag.getCGOpts().types_for_invoke())
return;
InvokeExpr iexpr = s.getInvokeExpr();
if (iexpr instanceof VirtualInvokeExpr) {
if (!isReflectionNewInstance(iexpr))
return;
} else if (!(iexpr instanceof StaticInvokeExpr))
return;
}
s.apply(new AbstractStmtSwitch() {
@Override
public final void caseAssignStmt(AssignStmt as) {
Value l = as.getLeftOp();
Value r = as.getRightOp();
if (!(l.getType() instanceof RefLikeType))
return;
assert r.getType() instanceof RefLikeType : "Type mismatch in assignment " + as + " in method " + method.getSignature();
l.apply(MethodNodeFactory.this);
Node dest = getNode();
r.apply(MethodNodeFactory.this);
Node src = getNode();
if (l instanceof InstanceFieldRef) {
((InstanceFieldRef) l).getBase().apply(MethodNodeFactory.this);
pag.addDereference((VarNode) getNode());
}
if (r instanceof InstanceFieldRef) {
((InstanceFieldRef) r).getBase().apply(MethodNodeFactory.this);
pag.addDereference((VarNode) getNode());
} else if (r instanceof StaticFieldRef) {
StaticFieldRef sfr = (StaticFieldRef) r;
SootFieldRef s = sfr.getFieldRef();
if (pag.getOpts().empties_as_allocs()) {
if (s.declaringClass().getName().equals("java.util.Collections")) {
if (s.name().equals("EMPTY_SET")) {
src = pag.makeAllocNode(RefType.v("java.util.HashSet"), RefType.v("java.util.HashSet"), method);
} else if (s.name().equals("EMPTY_MAP")) {
src = pag.makeAllocNode(RefType.v("java.util.HashMap"), RefType.v("java.util.HashMap"), method);
} else if (s.name().equals("EMPTY_LIST")) {
src = pag.makeAllocNode(RefType.v("java.util.LinkedList"), RefType.v("java.util.LinkedList"), method);
}
} else if (s.declaringClass().getName().equals("java.util.Hashtable")) {
if (s.name().equals("emptyIterator")) {
src = pag.makeAllocNode(RefType.v("java.util.Hashtable$EmptyIterator"), RefType.v("java.util.Hashtable$EmptyIterator"), method);
} else if (s.name().equals("emptyEnumerator")) {
src = pag.makeAllocNode(RefType.v("java.util.Hashtable$EmptyEnumerator"), RefType.v("java.util.Hashtable$EmptyEnumerator"), method);
}
}
}
}
mpag.addInternalEdge(src, dest);
}
@Override
public final void caseReturnStmt(ReturnStmt rs) {
if (!(rs.getOp().getType() instanceof RefLikeType))
return;
rs.getOp().apply(MethodNodeFactory.this);
Node retNode = getNode();
mpag.addInternalEdge(retNode, caseRet());
}
@Override
public final void caseIdentityStmt(IdentityStmt is) {
if (!(is.getLeftOp().getType() instanceof RefLikeType))
return;
Value leftOp = is.getLeftOp();
Value rightOp = is.getRightOp();
leftOp.apply(MethodNodeFactory.this);
Node dest = getNode();
rightOp.apply(MethodNodeFactory.this);
Node src = getNode();
mpag.addInternalEdge(src, dest);
// in case library mode is activated add allocations to any
// possible type of this local and
// parameters of accessible methods
int libOption = pag.getCGOpts().library();
if (libOption != CGOptions.library_disabled && (accessibilityOracle.isAccessible(method))) {
if (rightOp instanceof IdentityRef) {
Type rt = rightOp.getType();
rt.apply(new SparkLibraryHelper(pag, src, method));
}
}
}
@Override
public final void caseThrowStmt(ThrowStmt ts) {
ts.getOp().apply(MethodNodeFactory.this);
mpag.addOutEdge(getNode(), pag.nodeFactory().caseThrow());
}
});
}
use of soot.jimple.StaticFieldRef in project soot by Sable.
the class ConstraintCollector method caseAssignStmt.
public void caseAssignStmt(AssignStmt stmt) {
Value l = stmt.getLeftOp();
Value r = stmt.getRightOp();
TypeVariable left = null;
TypeVariable right = null;
if (l instanceof ArrayRef) {
ArrayRef ref = (ArrayRef) l;
Value base = ref.getBase();
Value index = ref.getIndex();
TypeVariable baseType = resolver.typeVariable((Local) base);
baseType.makeElement();
left = baseType.element();
if (index instanceof Local) {
if (uses) {
resolver.typeVariable((Local) index).addParent(resolver.typeVariable(IntType.v()));
}
}
} else if (l instanceof Local) {
left = resolver.typeVariable((Local) l);
} else if (l instanceof InstanceFieldRef) {
InstanceFieldRef ref = (InstanceFieldRef) l;
if (uses) {
TypeVariable baseType = resolver.typeVariable((Local) ref.getBase());
baseType.addParent(resolver.typeVariable(ref.getField().getDeclaringClass()));
left = resolver.typeVariable(ref.getField().getType());
}
} else if (l instanceof StaticFieldRef) {
if (uses) {
StaticFieldRef ref = (StaticFieldRef) l;
left = resolver.typeVariable(ref.getField().getType());
}
} else {
throw new RuntimeException("Unhandled assignment left hand side type: " + l.getClass());
}
if (r instanceof ArrayRef) {
ArrayRef ref = (ArrayRef) r;
Value base = ref.getBase();
Value index = ref.getIndex();
TypeVariable baseType = resolver.typeVariable((Local) base);
baseType.makeElement();
right = baseType.element();
if (index instanceof Local) {
if (uses) {
resolver.typeVariable((Local) index).addParent(resolver.typeVariable(IntType.v()));
}
}
} else if (r instanceof DoubleConstant) {
right = resolver.typeVariable(DoubleType.v());
} else if (r instanceof FloatConstant) {
right = resolver.typeVariable(FloatType.v());
} else if (r instanceof IntConstant) {
right = resolver.typeVariable(IntType.v());
} else if (r instanceof LongConstant) {
right = resolver.typeVariable(LongType.v());
} else if (r instanceof NullConstant) {
right = resolver.typeVariable(NullType.v());
} else if (r instanceof StringConstant) {
right = resolver.typeVariable(RefType.v("java.lang.String"));
} else if (r instanceof ClassConstant) {
right = resolver.typeVariable(RefType.v("java.lang.Class"));
} else if (r instanceof BinopExpr) {
// ******** BINOP EXPR ********
BinopExpr be = (BinopExpr) r;
Value lv = be.getOp1();
Value rv = be.getOp2();
TypeVariable lop;
TypeVariable rop;
// ******** LEFT ********
if (lv instanceof Local) {
lop = resolver.typeVariable((Local) lv);
} else if (lv instanceof DoubleConstant) {
lop = resolver.typeVariable(DoubleType.v());
} else if (lv instanceof FloatConstant) {
lop = resolver.typeVariable(FloatType.v());
} else if (lv instanceof IntConstant) {
lop = resolver.typeVariable(IntType.v());
} else if (lv instanceof LongConstant) {
lop = resolver.typeVariable(LongType.v());
} else if (lv instanceof NullConstant) {
lop = resolver.typeVariable(NullType.v());
} else if (lv instanceof StringConstant) {
lop = resolver.typeVariable(RefType.v("java.lang.String"));
} else if (lv instanceof ClassConstant) {
lop = resolver.typeVariable(RefType.v("java.lang.Class"));
} else {
throw new RuntimeException("Unhandled binary expression left operand type: " + lv.getClass());
}
// ******** RIGHT ********
if (rv instanceof Local) {
rop = resolver.typeVariable((Local) rv);
} else if (rv instanceof DoubleConstant) {
rop = resolver.typeVariable(DoubleType.v());
} else if (rv instanceof FloatConstant) {
rop = resolver.typeVariable(FloatType.v());
} else if (rv instanceof IntConstant) {
rop = resolver.typeVariable(IntType.v());
} else if (rv instanceof LongConstant) {
rop = resolver.typeVariable(LongType.v());
} else if (rv instanceof NullConstant) {
rop = resolver.typeVariable(NullType.v());
} else if (rv instanceof StringConstant) {
rop = resolver.typeVariable(RefType.v("java.lang.String"));
} else if (rv instanceof ClassConstant) {
rop = resolver.typeVariable(RefType.v("java.lang.Class"));
} else {
throw new RuntimeException("Unhandled binary expression right operand type: " + rv.getClass());
}
if ((be instanceof AddExpr) || (be instanceof SubExpr) || (be instanceof MulExpr) || (be instanceof DivExpr) || (be instanceof RemExpr) || (be instanceof AndExpr) || (be instanceof OrExpr) || (be instanceof XorExpr)) {
if (uses) {
TypeVariable common = resolver.typeVariable();
rop.addParent(common);
lop.addParent(common);
}
if (left != null) {
rop.addParent(left);
lop.addParent(left);
}
} else if ((be instanceof ShlExpr) || (be instanceof ShrExpr) || (be instanceof UshrExpr)) {
if (uses) {
rop.addParent(resolver.typeVariable(IntType.v()));
}
right = lop;
} else if ((be instanceof CmpExpr) || (be instanceof CmpgExpr) || (be instanceof CmplExpr) || (be instanceof EqExpr) || (be instanceof GeExpr) || (be instanceof GtExpr) || (be instanceof LeExpr) || (be instanceof LtExpr) || (be instanceof NeExpr)) {
if (uses) {
TypeVariable common = resolver.typeVariable();
rop.addParent(common);
lop.addParent(common);
}
right = resolver.typeVariable(IntType.v());
} else {
throw new RuntimeException("Unhandled binary expression type: " + be.getClass());
}
} else if (r instanceof CastExpr) {
CastExpr ce = (CastExpr) r;
right = resolver.typeVariable(ce.getCastType());
} else if (r instanceof InstanceOfExpr) {
right = resolver.typeVariable(IntType.v());
} else if (r instanceof InvokeExpr) {
InvokeExpr ie = (InvokeExpr) r;
handleInvokeExpr(ie);
right = resolver.typeVariable(ie.getMethodRef().returnType());
} else if (r instanceof NewArrayExpr) {
NewArrayExpr nae = (NewArrayExpr) r;
Type baseType = nae.getBaseType();
if (baseType instanceof ArrayType) {
right = resolver.typeVariable(ArrayType.v(((ArrayType) baseType).baseType, ((ArrayType) baseType).numDimensions + 1));
} else {
right = resolver.typeVariable(ArrayType.v(baseType, 1));
}
if (uses) {
Value size = nae.getSize();
if (size instanceof Local) {
TypeVariable var = resolver.typeVariable((Local) size);
var.addParent(resolver.typeVariable(IntType.v()));
}
}
} else if (r instanceof NewExpr) {
NewExpr na = (NewExpr) r;
right = resolver.typeVariable(na.getBaseType());
} else if (r instanceof NewMultiArrayExpr) {
NewMultiArrayExpr nmae = (NewMultiArrayExpr) r;
right = resolver.typeVariable(nmae.getBaseType());
if (uses) {
for (int i = 0; i < nmae.getSizeCount(); i++) {
Value size = nmae.getSize(i);
if (size instanceof Local) {
TypeVariable var = resolver.typeVariable((Local) size);
var.addParent(resolver.typeVariable(IntType.v()));
}
}
}
} else if (r instanceof LengthExpr) {
LengthExpr le = (LengthExpr) r;
if (uses) {
if (le.getOp() instanceof Local) {
resolver.typeVariable((Local) le.getOp()).makeElement();
}
}
right = resolver.typeVariable(IntType.v());
} else if (r instanceof NegExpr) {
NegExpr ne = (NegExpr) r;
if (ne.getOp() instanceof Local) {
right = resolver.typeVariable((Local) ne.getOp());
} else if (ne.getOp() instanceof DoubleConstant) {
right = resolver.typeVariable(DoubleType.v());
} else if (ne.getOp() instanceof FloatConstant) {
right = resolver.typeVariable(FloatType.v());
} else if (ne.getOp() instanceof IntConstant) {
right = resolver.typeVariable(IntType.v());
} else if (ne.getOp() instanceof LongConstant) {
right = resolver.typeVariable(LongType.v());
} else {
throw new RuntimeException("Unhandled neg expression operand type: " + ne.getOp().getClass());
}
} else if (r instanceof Local) {
right = resolver.typeVariable((Local) r);
} else if (r instanceof InstanceFieldRef) {
InstanceFieldRef ref = (InstanceFieldRef) r;
if (uses) {
TypeVariable baseType = resolver.typeVariable((Local) ref.getBase());
baseType.addParent(resolver.typeVariable(ref.getField().getDeclaringClass()));
}
right = resolver.typeVariable(ref.getField().getType());
} else if (r instanceof StaticFieldRef) {
StaticFieldRef ref = (StaticFieldRef) r;
right = resolver.typeVariable(ref.getField().getType());
} else {
throw new RuntimeException("Unhandled assignment right hand side type: " + r.getClass());
}
if (left != null && right != null) {
right.addParent(left);
}
}
use of soot.jimple.StaticFieldRef in project soot by Sable.
the class LockAllocationBodyTransformer method getLockFor.
public static Value getLockFor(EquivalentValue lockEqVal) {
Value lock = lockEqVal.getValue();
if (lock instanceof InstanceFieldRef)
return lock;
if (// it would be better to lock the array
lock instanceof ArrayRef)
// ref for each value of the index!
return ((ArrayRef) lock).getBase();
if (lock instanceof Local)
return lock;
if (lock instanceof StaticFieldRef || lock instanceof NewStaticLock) {
if (lockEqValToLock.containsKey(lockEqVal))
return lockEqValToLock.get(lockEqVal);
SootClass lockClass = null;
if (lock instanceof StaticFieldRef) {
StaticFieldRef sfrLock = (StaticFieldRef) lock;
lockClass = sfrLock.getField().getDeclaringClass();
} else if (lock instanceof NewStaticLock) {
DeadlockAvoidanceEdge dae = (DeadlockAvoidanceEdge) lock;
lockClass = dae.getLockClass();
}
SootMethod clinitMethod = null;
JimpleBody clinitBody = null;
Stmt firstStmt = null;
boolean addingNewClinit = !lockClass.declaresMethod("void <clinit>()");
if (addingNewClinit) {
clinitMethod = Scene.v().makeSootMethod("<clinit>", new ArrayList(), VoidType.v(), Modifier.PUBLIC | Modifier.STATIC);
clinitBody = Jimple.v().newBody(clinitMethod);
clinitMethod.setActiveBody(clinitBody);
lockClass.addMethod(clinitMethod);
} else {
clinitMethod = lockClass.getMethod("void <clinit>()");
clinitBody = (JimpleBody) clinitMethod.getActiveBody();
firstStmt = clinitBody.getFirstNonIdentityStmt();
}
PatchingChain<Unit> clinitUnits = clinitBody.getUnits();
Local lockLocal = Jimple.v().newLocal("objectLockLocal" + lockNumber, RefType.v("java.lang.Object"));
// lockNumber is increased below
// TODO: add name conflict
clinitBody.getLocals().add(lockLocal);
// avoidance code
// assign new object to lock obj
Stmt newStmt = Jimple.v().newAssignStmt(lockLocal, Jimple.v().newNewExpr(RefType.v("java.lang.Object")));
if (addingNewClinit)
clinitUnits.add(newStmt);
else
clinitUnits.insertBeforeNoRedirect(newStmt, firstStmt);
// initialize new object
SootClass objectClass = Scene.v().loadClassAndSupport("java.lang.Object");
RefType type = RefType.v(objectClass);
SootMethod initMethod = objectClass.getMethod("void <init>()");
Stmt initStmt = Jimple.v().newInvokeStmt(Jimple.v().newSpecialInvokeExpr(lockLocal, initMethod.makeRef(), Collections.EMPTY_LIST));
if (addingNewClinit)
clinitUnits.add(initStmt);
else
clinitUnits.insertBeforeNoRedirect(initStmt, firstStmt);
// copy new object to global static lock object (for use by other
// fns)
SootField actualLockObject = Scene.v().makeSootField("objectLockGlobal" + lockNumber, RefType.v("java.lang.Object"), Modifier.STATIC | Modifier.PUBLIC);
lockNumber++;
lockClass.addField(actualLockObject);
StaticFieldRef actualLockSfr = Jimple.v().newStaticFieldRef(actualLockObject.makeRef());
Stmt assignStmt = Jimple.v().newAssignStmt(actualLockSfr, lockLocal);
if (addingNewClinit)
clinitUnits.add(assignStmt);
else
clinitUnits.insertBeforeNoRedirect(assignStmt, firstStmt);
if (addingNewClinit)
clinitUnits.add(Jimple.v().newReturnVoidStmt());
lockEqValToLock.put(lockEqVal, actualLockSfr);
return actualLockSfr;
}
throw new RuntimeException("Unknown type of lock (" + lock + "): expected FieldRef, ArrayRef, or Local");
}
use of soot.jimple.StaticFieldRef in project soot by Sable.
the class ConstraintCollector method caseAssignStmt.
public void caseAssignStmt(AssignStmt stmt) {
Value l = stmt.getLeftOp();
Value r = stmt.getRightOp();
TypeVariable left = null;
TypeVariable right = null;
if (l instanceof ArrayRef) {
ArrayRef ref = (ArrayRef) l;
Type baset = ((Local) ref.getBase()).getType();
if (baset instanceof ArrayType) {
ArrayType base = (ArrayType) baset;
Value index = ref.getIndex();
if (uses) {
if ((base.numDimensions == 1) && (base.baseType instanceof IntegerType)) {
left = resolver.typeVariable(base.baseType);
}
if (index instanceof Local) {
resolver.typeVariable((Local) index).addParent(resolver.INT);
}
}
}
} else if (l instanceof Local) {
if (((Local) l).getType() instanceof IntegerType) {
left = resolver.typeVariable((Local) l);
}
} else if (l instanceof InstanceFieldRef) {
if (uses) {
InstanceFieldRef ref = (InstanceFieldRef) l;
Type fieldType = ref.getFieldRef().type();
if (fieldType instanceof IntegerType) {
left = resolver.typeVariable(ref.getFieldRef().type());
}
}
} else if (l instanceof StaticFieldRef) {
if (uses) {
StaticFieldRef ref = (StaticFieldRef) l;
Type fieldType = ref.getFieldRef().type();
if (fieldType instanceof IntegerType) {
left = resolver.typeVariable(ref.getFieldRef().type());
}
}
} else {
throw new RuntimeException("Unhandled assignment left hand side type: " + l.getClass());
}
if (r instanceof ArrayRef) {
ArrayRef ref = (ArrayRef) r;
Type baset = ((Local) ref.getBase()).getType();
if (!(baset instanceof NullType)) {
Value index = ref.getIndex();
// Be careful, dex can do some weird object/array casting
if (baset instanceof ArrayType) {
ArrayType base = (ArrayType) baset;
if ((base.numDimensions == 1) && (base.baseType instanceof IntegerType)) {
right = resolver.typeVariable(base.baseType);
}
} else if (baset instanceof IntegerType)
right = resolver.typeVariable(baset);
if (uses)
if (index instanceof Local)
resolver.typeVariable((Local) index).addParent(resolver.INT);
}
} else if (r instanceof DoubleConstant) {
} else if (r instanceof FloatConstant) {
} else if (r instanceof IntConstant) {
int value = ((IntConstant) r).value;
if (value < -32768) {
right = resolver.INT;
} else if (value < -128) {
right = resolver.SHORT;
} else if (value < 0) {
right = resolver.BYTE;
} else if (value < 2) {
right = resolver.R0_1;
} else if (value < 128) {
right = resolver.R0_127;
} else if (value < 32768) {
right = resolver.R0_32767;
} else if (value < 65536) {
right = resolver.CHAR;
} else {
right = resolver.INT;
}
} else if (r instanceof LongConstant) {
} else if (r instanceof NullConstant) {
} else if (r instanceof StringConstant) {
} else if (r instanceof ClassConstant) {
} else if (r instanceof BinopExpr) {
// ******** BINOP EXPR ********
BinopExpr be = (BinopExpr) r;
Value lv = be.getOp1();
Value rv = be.getOp2();
TypeVariable lop = null;
TypeVariable rop = null;
// ******** LEFT ********
if (lv instanceof Local) {
if (((Local) lv).getType() instanceof IntegerType) {
lop = resolver.typeVariable((Local) lv);
}
} else if (lv instanceof DoubleConstant) {
} else if (lv instanceof FloatConstant) {
} else if (lv instanceof IntConstant) {
int value = ((IntConstant) lv).value;
if (value < -32768) {
lop = resolver.INT;
} else if (value < -128) {
lop = resolver.SHORT;
} else if (value < 0) {
lop = resolver.BYTE;
} else if (value < 2) {
lop = resolver.R0_1;
} else if (value < 128) {
lop = resolver.R0_127;
} else if (value < 32768) {
lop = resolver.R0_32767;
} else if (value < 65536) {
lop = resolver.CHAR;
} else {
lop = resolver.INT;
}
} else if (lv instanceof LongConstant) {
} else if (lv instanceof NullConstant) {
} else if (lv instanceof StringConstant) {
} else if (lv instanceof ClassConstant) {
} else {
throw new RuntimeException("Unhandled binary expression left operand type: " + lv.getClass());
}
// ******** RIGHT ********
if (rv instanceof Local) {
if (((Local) rv).getType() instanceof IntegerType) {
rop = resolver.typeVariable((Local) rv);
}
} else if (rv instanceof DoubleConstant) {
} else if (rv instanceof FloatConstant) {
} else if (rv instanceof IntConstant) {
int value = ((IntConstant) rv).value;
if (value < -32768) {
rop = resolver.INT;
} else if (value < -128) {
rop = resolver.SHORT;
} else if (value < 0) {
rop = resolver.BYTE;
} else if (value < 2) {
rop = resolver.R0_1;
} else if (value < 128) {
rop = resolver.R0_127;
} else if (value < 32768) {
rop = resolver.R0_32767;
} else if (value < 65536) {
rop = resolver.CHAR;
} else {
rop = resolver.INT;
}
} else if (rv instanceof LongConstant) {
} else if (rv instanceof NullConstant) {
} else if (rv instanceof StringConstant) {
} else if (rv instanceof ClassConstant) {
} else {
throw new RuntimeException("Unhandled binary expression right operand type: " + rv.getClass());
}
if ((be instanceof AddExpr) || (be instanceof SubExpr) || (be instanceof DivExpr) || (be instanceof RemExpr) || (be instanceof MulExpr)) {
if (lop != null && rop != null) {
if (uses) {
if (lop.type() == null) {
lop.addParent(resolver.INT);
}
if (rop.type() == null) {
rop.addParent(resolver.INT);
}
}
right = resolver.INT;
}
} else if ((be instanceof AndExpr) || (be instanceof OrExpr) || (be instanceof XorExpr)) {
if (lop != null && rop != null) {
TypeVariable common = resolver.typeVariable();
if (rop != null)
rop.addParent(common);
if (lop != null)
lop.addParent(common);
right = common;
}
} else if (be instanceof ShlExpr) {
if (uses) {
if (lop != null && lop.type() == null) {
lop.addParent(resolver.INT);
}
if (rop.type() == null) {
rop.addParent(resolver.INT);
}
}
right = (lop == null) ? null : resolver.INT;
} else if ((be instanceof ShrExpr) || (be instanceof UshrExpr)) {
if (uses) {
if (lop != null && lop.type() == null) {
lop.addParent(resolver.INT);
}
if (rop.type() == null) {
rop.addParent(resolver.INT);
}
}
right = lop;
} else if ((be instanceof CmpExpr) || (be instanceof CmpgExpr) || (be instanceof CmplExpr)) {
right = resolver.BYTE;
} else if ((be instanceof EqExpr) || (be instanceof GeExpr) || (be instanceof GtExpr) || (be instanceof LeExpr) || (be instanceof LtExpr) || (be instanceof NeExpr)) {
if (uses) {
TypeVariable common = resolver.typeVariable();
if (rop != null)
rop.addParent(common);
if (lop != null)
lop.addParent(common);
}
right = resolver.BOOLEAN;
} else {
throw new RuntimeException("Unhandled binary expression type: " + be.getClass());
}
} else if (r instanceof CastExpr) {
CastExpr ce = (CastExpr) r;
if (ce.getCastType() instanceof IntegerType) {
right = resolver.typeVariable(ce.getCastType());
}
} else if (r instanceof InstanceOfExpr) {
right = resolver.BOOLEAN;
} else if (r instanceof InvokeExpr) {
InvokeExpr ie = (InvokeExpr) r;
handleInvokeExpr(ie);
if (ie.getMethodRef().returnType() instanceof IntegerType) {
right = resolver.typeVariable(ie.getMethodRef().returnType());
}
} else if (r instanceof NewArrayExpr) {
NewArrayExpr nae = (NewArrayExpr) r;
if (uses) {
Value size = nae.getSize();
if (size instanceof Local) {
TypeVariable var = resolver.typeVariable((Local) size);
var.addParent(resolver.INT);
}
}
} else if (r instanceof NewExpr) {
} else if (r instanceof NewMultiArrayExpr) {
NewMultiArrayExpr nmae = (NewMultiArrayExpr) r;
if (uses) {
for (int i = 0; i < nmae.getSizeCount(); i++) {
Value size = nmae.getSize(i);
if (size instanceof Local) {
TypeVariable var = resolver.typeVariable((Local) size);
var.addParent(resolver.INT);
}
}
}
} else if (r instanceof LengthExpr) {
right = resolver.INT;
} else if (r instanceof NegExpr) {
NegExpr ne = (NegExpr) r;
if (ne.getOp() instanceof Local) {
Local local = (Local) ne.getOp();
if (local.getType() instanceof IntegerType) {
if (uses) {
resolver.typeVariable(local).addParent(resolver.INT);
}
TypeVariable v = resolver.typeVariable();
v.addChild(resolver.BYTE);
v.addChild(resolver.typeVariable(local));
right = v;
}
} else if (ne.getOp() instanceof DoubleConstant) {
} else if (ne.getOp() instanceof FloatConstant) {
} else if (ne.getOp() instanceof IntConstant) {
int value = ((IntConstant) ne.getOp()).value;
if (value < -32768) {
right = resolver.INT;
} else if (value < -128) {
right = resolver.SHORT;
} else if (value < 0) {
right = resolver.BYTE;
} else if (value < 2) {
right = resolver.BYTE;
} else if (value < 128) {
right = resolver.BYTE;
} else if (value < 32768) {
right = resolver.SHORT;
} else if (value < 65536) {
right = resolver.INT;
} else {
right = resolver.INT;
}
} else if (ne.getOp() instanceof LongConstant) {
} else {
throw new RuntimeException("Unhandled neg expression operand type: " + ne.getOp().getClass());
}
} else if (r instanceof Local) {
Local local = (Local) r;
if (local.getType() instanceof IntegerType) {
right = resolver.typeVariable(local);
}
} else if (r instanceof InstanceFieldRef) {
InstanceFieldRef ref = (InstanceFieldRef) r;
if (ref.getFieldRef().type() instanceof IntegerType) {
right = resolver.typeVariable(ref.getFieldRef().type());
}
} else if (r instanceof StaticFieldRef) {
StaticFieldRef ref = (StaticFieldRef) r;
if (ref.getFieldRef().type() instanceof IntegerType) {
right = resolver.typeVariable(ref.getFieldRef().type());
}
} else {
throw new RuntimeException("Unhandled assignment right hand side type: " + r.getClass());
}
if (left != null && right != null && (left.type() == null || right.type() == null)) {
right.addParent(left);
}
}
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