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

Example 36 with RegisterArg

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

the class PrepareForCodeGen method modifyArith.

/**
	 * Replace arithmetic operation with short form
	 * ('a = a + 2' => 'a += 2')
	 */
private static void modifyArith(BlockNode block) {
    List<InsnNode> list = block.getInstructions();
    for (InsnNode insn : list) {
        if (insn.getType() == InsnType.ARITH) {
            RegisterArg res = insn.getResult();
            InsnArg arg = insn.getArg(0);
            boolean replace = false;
            if (res.equals(arg)) {
                replace = true;
            } else if (arg.isRegister()) {
                RegisterArg regArg = (RegisterArg) arg;
                replace = res.equalRegisterAndType(regArg);
            }
            if (replace) {
                insn.add(AFlag.ARITH_ONEARG);
            }
        }
    }
}

Example 37 with RegisterArg

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

the class BlockProcessor method duplicateReturnInsn.

private static InsnNode duplicateReturnInsn(InsnNode returnInsn) {
    InsnNode insn = new InsnNode(returnInsn.getType(), returnInsn.getArgsCount());
    if (returnInsn.getArgsCount() == 1) {
        RegisterArg arg = (RegisterArg) returnInsn.getArg(0);
        insn.addArg(InsnArg.reg(arg.getRegNum(), arg.getType()));
    }
    insn.copyAttributesFrom(returnInsn);
    insn.setOffset(returnInsn.getOffset());
    insn.setSourceLine(returnInsn.getSourceLine());
    return insn;
}

Example 38 with RegisterArg

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

the class BlockProcessor method isReturnArgAssignInPred.

private static boolean isReturnArgAssignInPred(List<BlockNode> preds, InsnNode returnInsn) {
    RegisterArg arg = (RegisterArg) returnInsn.getArg(0);
    int regNum = arg.getRegNum();
    for (BlockNode pred : preds) {
        for (InsnNode insnNode : pred.getInstructions()) {
            RegisterArg result = insnNode.getResult();
            if (result != null && result.getRegNum() == regNum) {
                return true;
            }
        }
    }
    return false;
}

Example 39 with RegisterArg

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

the class DebugInfoVisitor method visit.

@Override
public void visit(MethodNode mth) throws JadxException {
    int debugOffset = mth.getDebugInfoOffset();
    if (debugOffset > 0) {
        InsnNode[] insnArr = mth.getInstructions();
        DebugInfoParser debugInfoParser = new DebugInfoParser(mth, debugOffset, insnArr);
        debugInfoParser.process();
        // set method source line from first instruction
        if (insnArr.length != 0) {
            for (InsnNode insn : insnArr) {
                if (insn != null) {
                    int line = insn.getSourceLine();
                    if (line != 0) {
                        mth.setSourceLine(line - 1);
                    }
                    break;
                }
            }
        }
        if (!mth.getReturnType().equals(ArgType.VOID)) {
            // fix debug info for splitter 'return' instructions
            for (BlockNode exit : mth.getExitBlocks()) {
                InsnNode ret = BlockUtils.getLastInsn(exit);
                if (ret == null) {
                    continue;
                }
                InsnNode oldRet = insnArr[ret.getOffset()];
                if (oldRet == ret) {
                    continue;
                }
                RegisterArg oldArg = (RegisterArg) oldRet.getArg(0);
                RegisterArg newArg = (RegisterArg) ret.getArg(0);
                newArg.mergeDebugInfo(oldArg.getType(), oldArg.getName());
                ret.setSourceLine(oldRet.getSourceLine());
            }
        }
    }
    mth.unloadInsnArr();
}

Example 40 with RegisterArg

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

the class DependencyCollector method processInsn.

// TODO: add custom instructions processing
private static void processInsn(DexNode dex, Set<ClassNode> depList, InsnNode insnNode) {
    RegisterArg result = insnNode.getResult();
    if (result != null) {
        addDep(dex, depList, result.getType());
    }
    for (InsnArg arg : insnNode.getArguments()) {
        if (arg.isInsnWrap()) {
            processInsn(dex, depList, ((InsnWrapArg) arg).getWrapInsn());
        } else {
            addDep(dex, depList, arg.getType());
        }
    }
    processCustomInsn(dex, depList, insnNode);
}