Examples with InsnList com.android.dx.rop.code.InsnList used on opensource projects

Example 16 with InsnList

use of com.android.dx.rop.code.InsnList in project J2ME-Loader by nikita36078.

the class Ropper method addReturnBlock.

/**
 * Constructs and adds the return block, if necessary. The return
 * block merely contains an appropriate {@code return}
 * instruction.
 */
private void addReturnBlock() {
    Rop returnOp = machine.getReturnOp();
    if (returnOp == null) {
        /*
             * The method being converted never returns normally, so there's
             * no need for a return block.
             */
        return;
    }
    SourcePosition returnPos = machine.getReturnPosition();
    int label = getSpecialLabel(RETURN);
    if (isSynchronized()) {
        InsnList insns = new InsnList(1);
        Insn insn = new ThrowingInsn(Rops.MONITOR_EXIT, returnPos, RegisterSpecList.make(getSynchReg()), StdTypeList.EMPTY);
        insns.set(0, insn);
        insns.setImmutable();
        int nextLabel = getSpecialLabel(SYNCH_RETURN);
        BasicBlock bb = new BasicBlock(label, insns, IntList.makeImmutable(nextLabel), nextLabel);
        addBlock(bb, IntList.EMPTY);
        label = nextLabel;
    }
    InsnList insns = new InsnList(1);
    TypeList sourceTypes = returnOp.getSources();
    RegisterSpecList sources;
    if (sourceTypes.size() == 0) {
        sources = RegisterSpecList.EMPTY;
    } else {
        RegisterSpec source = RegisterSpec.make(0, sourceTypes.getType(0));
        sources = RegisterSpecList.make(source);
    }
    Insn insn = new PlainInsn(returnOp, returnPos, null, sources);
    insns.set(0, insn);
    insns.setImmutable();
    BasicBlock bb = new BasicBlock(label, insns, IntList.EMPTY, -1);
    addBlock(bb, IntList.EMPTY);
}

Example 17 with InsnList

use of com.android.dx.rop.code.InsnList in project J2ME-Loader by nikita36078.

the class SsaBasicBlock method newFromRop.

/**
 * 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;
}