/**
* Creates a new SSA basic block from a ROP form basic block.
*
* @param rmeth original method
* @param basicBlockIndex index this block will have
* @param parent method of this block predecessor set will be updated
* @return new instance
*/
public static SsaBasicBlock newFromRop(
RopMethod rmeth, int basicBlockIndex, final SsaMethod parent) {
BasicBlockList ropBlocks = rmeth.getBlocks();
BasicBlock bb = ropBlocks.get(basicBlockIndex);
SsaBasicBlock result = new SsaBasicBlock(basicBlockIndex, bb.getLabel(), parent);
InsnList ropInsns = bb.getInsns();
result.insns.ensureCapacity(ropInsns.size());
for (int i = 0, sz = ropInsns.size(); i < sz; i++) {
result.insns.add(new NormalSsaInsn(ropInsns.get(i), result));
}
result.predecessors =
SsaMethod.bitSetFromLabelList(ropBlocks, rmeth.labelToPredecessors(bb.getLabel()));
result.successors = SsaMethod.bitSetFromLabelList(ropBlocks, bb.getSuccessors());
result.successorList = SsaMethod.indexListFromLabelList(ropBlocks, bb.getSuccessors());
if (result.successorList.size() != 0) {
int primarySuccessor = bb.getPrimarySuccessor();
result.primarySuccessor =
(primarySuccessor < 0) ? -1 : ropBlocks.indexOfLabel(primarySuccessor);
}
return result;
}
/**
* Does a registerizing dump.
*
* @param meth {@code non-null;} method data to dump
*/
private void ropDump(ConcreteMethod meth) {
TranslationAdvice advice = DexTranslationAdvice.THE_ONE;
BytecodeArray code = meth.getCode();
ByteArray bytes = code.getBytes();
RopMethod rmeth = Ropper.convert(meth, advice);
StringBuffer sb = new StringBuffer(2000);
if (optimize) {
boolean isStatic = AccessFlags.isStatic(meth.getAccessFlags());
int paramWidth = computeParamWidth(meth, isStatic);
rmeth = new Optimizer().optimize(rmeth, paramWidth, isStatic, true, advice);
}
BasicBlockList blocks = rmeth.getBlocks();
int[] order = blocks.getLabelsInOrder();
sb.append("first " + Hex.u2(rmeth.getFirstLabel()) + "\n");
for (int label : order) {
BasicBlock bb = blocks.get(blocks.indexOfLabel(label));
sb.append("block ");
sb.append(Hex.u2(label));
sb.append("\n");
IntList preds = rmeth.labelToPredecessors(label);
int psz = preds.size();
for (int i = 0; i < psz; i++) {
sb.append(" pred ");
sb.append(Hex.u2(preds.get(i)));
sb.append("\n");
}
InsnList il = bb.getInsns();
int ilsz = il.size();
for (int i = 0; i < ilsz; i++) {
Insn one = il.get(i);
sb.append(" ");
sb.append(il.get(i).toHuman());
sb.append("\n");
}
IntList successors = bb.getSuccessors();
int ssz = successors.size();
if (ssz == 0) {
sb.append(" returns\n");
} else {
int primary = bb.getPrimarySuccessor();
for (int i = 0; i < ssz; i++) {
int succ = successors.get(i);
sb.append(" next ");
sb.append(Hex.u2(succ));
if ((ssz != 1) && (succ == primary)) {
sb.append(" *");
}
sb.append("\n");
}
}
}
suppressDump = false;
setAt(bytes, 0);
parsed(bytes, 0, bytes.size(), sb.toString());
suppressDump = true;
}
