Examples with SSAVar jadx.core.dex.instructions.args.SSAVar used on opensource projects

Example 6 with SSAVar

use of jadx.core.dex.instructions.args.SSAVar in project jadx by skylot.

the class ConstInlineVisitor method checkInsn.

private static boolean checkInsn(MethodNode mth, InsnNode insn) {
    if (insn.getType() != InsnType.CONST || insn.contains(AFlag.DONT_INLINE)) {
        return false;
    }
    InsnArg arg = insn.getArg(0);
    if (!arg.isLiteral()) {
        return false;
    }
    long lit = ((LiteralArg) arg).getLiteral();
    SSAVar sVar = insn.getResult().getSVar();
    if (lit == 0 && checkObjectInline(sVar)) {
        if (sVar.getUseCount() == 1) {
            InsnNode assignInsn = insn.getResult().getAssignInsn();
            if (assignInsn != null) {
                assignInsn.add(AFlag.DONT_INLINE);
            }
        }
        return false;
    }
    ArgType resType = insn.getResult().getType();
    // make sure arg has correct type
    if (!arg.getType().isTypeKnown()) {
        arg.merge(mth.dex(), resType);
    }
    return replaceConst(mth, insn, lit);
}

Example 7 with SSAVar

use of jadx.core.dex.instructions.args.SSAVar in project jadx by skylot.

the class MethodNode method getNextSVarVersion.

public int getNextSVarVersion(int regNum) {
    int v = -1;
    for (SSAVar sVar : sVars) {
        if (sVar.getRegNum() == regNum) {
            v = Math.max(v, sVar.getVersion());
        }
    }
    v++;
    return v;
}

Example 8 with SSAVar

use of jadx.core.dex.instructions.args.SSAVar in project jadx by skylot.

the class MethodNode method makeNewSVar.

public SSAVar makeNewSVar(int regNum, int version, @NotNull RegisterArg assignArg) {
    SSAVar var = new SSAVar(regNum, version, assignArg);
    if (sVars.isEmpty()) {
        sVars = new ArrayList<SSAVar>();
    }
    sVars.add(var);
    return var;
}

Example 9 with SSAVar

use of jadx.core.dex.instructions.args.SSAVar in project jadx by skylot.

the class DebugInfoParser method startVar.

private void startVar(LocalVar var, int addr, int line) {
    int regNum = var.getRegNum();
    LocalVar prev = locals[regNum];
    if (prev != null && !prev.isEnd()) {
        prev.end(addr, line);
        setVar(prev);
    }
    InsnArg activeReg = activeRegisters[var.getRegNum()];
    if (activeReg instanceof RegisterArg) {
        SSAVar ssaVar = ((RegisterArg) activeReg).getSVar();
        if (ssaVar != null && ssaVar.getStartAddr() != -1) {
            InsnNode parentInsn = ssaVar.getAssign().getParentInsn();
            if (parentInsn != null && parentInsn.getOffset() >= 0) {
                addr = parentInsn.getOffset();
            }
        }
    }
    var.start(addr, line);
    locals[regNum] = var;
}

Example 10 with SSAVar

use of jadx.core.dex.instructions.args.SSAVar in project jadx by skylot.

the class SSATransform method inlinePhiInsn.

private static boolean inlinePhiInsn(MethodNode mth, BlockNode block, PhiInsn phi) {
    SSAVar resVar = phi.getResult().getSVar();
    if (resVar == null) {
        return false;
    }
    RegisterArg arg = phi.getArg(0);
    if (arg.getSVar() == null) {
        return false;
    }
    List<RegisterArg> useList = resVar.getUseList();
    for (RegisterArg useArg : new ArrayList<RegisterArg>(useList)) {
        InsnNode useInsn = useArg.getParentInsn();
        if (useInsn == null || useInsn == phi) {
            return false;
        }
        useArg.getSVar().removeUse(useArg);
        RegisterArg inlArg = arg.duplicate();
        if (!useInsn.replaceArg(useArg, inlArg)) {
            return false;
        }
        inlArg.getSVar().use(inlArg);
        inlArg.setName(useArg.getName());
        inlArg.setType(useArg.getType());
    }
    if (block.contains(AType.EXC_HANDLER)) {
        // don't inline into exception handler
        InsnNode assignInsn = arg.getAssignInsn();
        if (assignInsn != null) {
            assignInsn.add(AFlag.DONT_INLINE);
        }
    }
    InstructionRemover.unbindInsn(mth, phi);
    return true;
}