Package jadx.core.dex.instructions.args

Examples of jadx.core.dex.instructions.args.InsnArg

93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
   * <b>Caution:</b> this method don't change usage information for replaced argument.
   */
  public boolean replaceArg(InsnArg from, InsnArg to) {
    int count = getArgsCount();
    for (int i = 0; i < count; i++) {
      InsnArg arg = arguments.get(i);
      if (arg == from) {
        setArg(i, to);
        return true;
      }
      if (arg.isInsnWrap() && ((InsnWrapArg) arg).getWrapInsn().replaceArg(from, to)) {
        return true;
      }
    }
    return false;
  }
View Full Code Here
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
  private static boolean checkInsn(MethodNode mth, InsnNode insn) {
    if (insn.getType() != InsnType.CONST) {
      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) {
      if (checkObjectInline(sVar)) {
        if (sVar.getUseCount() == 1) {
          insn.getResult().getAssignInsn().add(AFlag.DONT_INLINE);
        }
        return false;
      }

    }
    ArgType resType = insn.getResult().getType();
    // make sure arg has correct type
    if (!arg.getType().isTypeKnown()) {
      arg.merge(resType);
    }
    return replaceConst(mth, sVar, lit);
  }
View Full Code Here
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
        IndexInsnNode node = (IndexInsnNode) insn;
        insn.getArg(0).merge(((FieldInfo) node.getIndex()).getType());
        break;

      case IF: {
        InsnArg arg0 = insn.getArg(0);
        InsnArg arg1 = insn.getArg(1);
        if (arg0 == litArg) {
          arg0.merge(arg1);
        } else {
          arg1.merge(arg0);
        }
        break;
      }
      case CMP_G:
      case CMP_L:
        InsnArg arg0 = insn.getArg(0);
        InsnArg arg1 = insn.getArg(1);
        if (arg0 == litArg) {
          arg0.merge(arg1);
        } else {
          arg1.merge(arg0);
        }
        break;

      case RETURN:
        if (insn.getArgsCount() != 0) {
          insn.getArg(0).merge(mth.getReturnType());
        }
        break;

      case INVOKE:
        InvokeNode inv = (InvokeNode) insn;
        List<ArgType> types = inv.getCallMth().getArgumentsTypes();
        int count = insn.getArgsCount();
        int k = types.size() == count ? 0 : -1;
        for (int i = 0; i < count; i++) {
          InsnArg arg = insn.getArg(i);
          if (!arg.getType().isTypeKnown()) {
            ArgType type;
            if (k >= 0) {
              type = types.get(k);
            } else {
              type = mth.getParentClass().getClassInfo().getType();
            }
            arg.merge(type);
          }
          k++;
        }
        break;
View Full Code Here
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
    }
    ArithNode arithNode = (ArithNode) incrInsn;
    if (arithNode.getOp() != ArithOp.ADD) {
      return null;
    }
    InsnArg lit = incrInsn.getArg(1);
    if (!lit.isLiteral() || ((LiteralArg) lit).getLiteral() != 1) {
      return null;
    }
    if (initInsn.getType() != InsnType.CONST
        || !initInsn.getArg(0).isLiteral()
        || ((LiteralArg) initInsn.getArg(0)).getLiteral() != 0) {
      return null;
    }

    InsnArg condArg = incrInsn.getArg(0);
    if (!condArg.isRegister()) {
      return null;
    }
    SSAVar sVar = ((RegisterArg) condArg).getSVar();
    List<RegisterArg> args = sVar.getUseList();
    if (args.size() != 3 || args.get(2) != condArg) {
      return null;
    }
    condArg = args.get(0);
    RegisterArg arrIndex = args.get(1);
    InsnNode arrGetInsn = arrIndex.getParentInsn();
    if (arrGetInsn == null || arrGetInsn.getType() != InsnType.AGET) {
      return null;
    }
    if (!condition.isCompare()) {
      return null;
    }
    Compare compare = condition.getCompare();
    if (compare.getOp() != IfOp.LT || compare.getA() != condArg) {
      return null;
    }
    InsnNode len;
    InsnArg bCondArg = compare.getB();
    if (bCondArg.isInsnWrap()) {
      len = ((InsnWrapArg) bCondArg).getWrapInsn();
    } else if (bCondArg.isRegister()) {
      len = ((RegisterArg) bCondArg).getAssignInsn();
    } else {
      return null;
    }
    if (len == null || len.getType() != InsnType.ARRAY_LENGTH) {
      return null;
    }
    InsnArg arrayArg = len.getArg(0);
    if (!arrayArg.equals(arrGetInsn.getArg(0))) {
      return null;
    }
    RegisterArg iterVar = arrGetInsn.getResult();
    if (iterVar == null) {
      return null;
    }

    // array for each loop confirmed
    len.add(AFlag.SKIP);
    arrGetInsn.add(AFlag.SKIP);
    InstructionRemover.unbindInsn(mth, len);

    // inline array variable
    CodeShrinker.shrinkMethod(mth);
    if (arrGetInsn.contains(AFlag.WRAPPED)) {
      InsnArg wrapArg = BlockUtils.searchWrappedInsnParent(mth, arrGetInsn);
      if (wrapArg != null) {
        wrapArg.getParentInsn().replaceArg(wrapArg, iterVar);
      } else {
        LOG.debug(" checkArrayForEach: Wrapped insn not found: {}, mth: {}", arrGetInsn, mth);
      }
    }
    return new ForEachLoop(iterVar, len.getArg(0));
View Full Code Here
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
    if (useList.size() != 2
        || assignInsn == null
        || !checkInvoke(assignInsn, null, "iterator()Ljava/util/Iterator;", 0)) {
      return false;
    }
    InsnArg iterableArg = assignInsn.getArg(0);
    InsnNode hasNextCall = useList.get(0).getParentInsn();
    InsnNode nextCall = useList.get(1).getParentInsn();
    if (!checkInvoke(hasNextCall, "java.util.Iterator", "hasNext()Z", 0)
        || !checkInvoke(nextCall, "java.util.Iterator", "next()Ljava/lang/Object;", 0)) {
      return false;
    }
    List<InsnNode> toSkip = new LinkedList<InsnNode>();
    RegisterArg iterVar = nextCall.getResult();
    if (nextCall.contains(AFlag.WRAPPED)) {
      InsnArg wrapArg = BlockUtils.searchWrappedInsnParent(mth, nextCall);
      if (wrapArg != null) {
        InsnNode parentInsn = wrapArg.getParentInsn();
        if (parentInsn.getType() != InsnType.CHECK_CAST) {
          parentInsn.replaceArg(wrapArg, iterVar);
        } else {
          iterVar = parentInsn.getResult();
          InsnArg castArg = BlockUtils.searchWrappedInsnParent(mth, parentInsn);
          if (castArg != null) {
            castArg.getParentInsn().replaceArg(castArg, iterVar);
          } else {
            // cast not inlined
            toSkip.add(parentInsn);
          }
        }
View Full Code Here
66
67
68
69
70
71
72
73
74
75
76
77
  /**
   * Replace new array and sequence of array-put to new filled-array instruction.
   */
  private static InsnNode processNewArray(MethodNode mth, List<InsnNode> instructions, int i, InstructionRemover remover) {
    InsnNode insn = instructions.get(i);
    InsnArg arg = insn.getArg(0);
    if (!arg.isLiteral()) {
      return null;
    }
    int len = (int) ((LiteralArg) arg).getLiteral();
    int size = instructions.size();
    if (len <= 0 || i + len >= size || instructions.get(i + len).getType() != InsnType.APUT) {
View Full Code Here
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
    }
    return filledArr;
  }

  private static InsnNode processEnumSwitch(MethodNode mth, SwitchNode insn) {
    InsnArg arg = insn.getArg(0);
    if (!arg.isInsnWrap()) {
      return null;
    }
    InsnNode wrapInsn = ((InsnWrapArg) arg).getWrapInsn();
    if (wrapInsn.getType() != InsnType.AGET) {
      return null;
    }
    EnumMapInfo enumMapInfo = checkEnumMapAccess(mth, wrapInsn);
    if (enumMapInfo == null) {
      return null;
    }
    FieldNode enumMapField = enumMapInfo.getMapField();
    InsnArg invArg = enumMapInfo.getArg();

    EnumMapAttr.KeyValueMap valueMap = getEnumMap(mth, enumMapField);
    if (valueMap == null) {
      return null;
    }
View Full Code Here
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
    }
    return mapAttr.getMap(field);
  }

  private static void addToEnumMap(MethodNode mth, EnumMapAttr mapAttr, InsnNode aputInsn) {
    InsnArg litArg = aputInsn.getArg(2);
    if (!litArg.isLiteral()) {
      return;
    }
    EnumMapInfo mapInfo = checkEnumMapAccess(mth, aputInsn);
    if (mapInfo == null) {
      return;
    }
    InsnArg enumArg = mapInfo.getArg();
    FieldNode field = mapInfo.getMapField();
    if (field == null || !enumArg.isInsnWrap()) {
      return;
    }
    InsnNode sget = ((InsnWrapArg) enumArg).getWrapInsn();
    if (!(sget instanceof IndexInsnNode)) {
      return;
View Full Code Here
194
195
196
197
198
199
200
201
202
203
204
205
206
    int literal = (int) ((LiteralArg) litArg).getLiteral();
    mapAttr.add(field, literal, fieldNode);
  }

  public static EnumMapInfo checkEnumMapAccess(MethodNode mth, InsnNode checkInsn) {
    InsnArg sgetArg = checkInsn.getArg(0);
    InsnArg invArg = checkInsn.getArg(1);
    if (!sgetArg.isInsnWrap() || !invArg.isInsnWrap()) {
      return null;
    }
    InsnNode invInsn = ((InsnWrapArg) invArg).getWrapInsn();
    InsnNode sgetInsn = ((InsnWrapArg) sgetArg).getWrapInsn();
    if (invInsn.getType() != InsnType.INVOKE || sgetInsn.getType() != InsnType.SGET) {
View Full Code Here
35
36
37
38
39
40
41
42
43
44
45
  }

  @Test
  public void testNormalize() {
    // 'a != false' => 'a == true'
    InsnArg a = mockArg();
    IfCondition c = makeCondition(IfOp.NE, a, LiteralArg.FALSE);
    IfCondition simp = simplify(c);

    assertEquals(simp.getMode(), Mode.COMPARE);
    Compare compare = simp.getCompare();
View Full Code Here
TOP

Related Classes of jadx.core.dex.instructions.args.InsnArg

  • jadx.core.codegen.ClassGen
  • jadx.core.codegen.ConditionGen
  • jadx.core.codegen.InsnGen
  • jadx.core.codegen.RegionGen
  • jadx.core.dex.instructions.mods.TernaryInsn
  • jadx.core.dex.nodes.InsnNode
  • jadx.core.dex.visitors.ConstInlinerVisitor
  • jadx.core.dex.visitors.EnumVisitor
  • jadx.core.dex.visitors.ModVisitor
  • jadx.core.dex.visitors.PrepareForCodeGen
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.