Пример #1
0
/*
 * Converts blocks to functions (is not part of Jeremiahs disassembler - and also IDA)
 * deprecated!
 */
void
RoseBin_FlowAnalysis::convertBlocksToFunctions(SgAsmNode* globalNode) {
  vector<SgNode*> tree =NodeQuery::querySubTree(globalNode, V_SgAsmBlock);
  vector<SgNode*>::iterator itV = tree.begin();
  //cerr << " ObjDump-BinRose:: Converting Blocks To Functions" << endl;
  for (;itV!=tree.end();itV++) {
    SgAsmBlock* block = isSgAsmBlock(*itV);
    if (block && block!=globalNode) {
      uint64_t addr = block->get_address();
      isSgAsmBlock(globalNode)->remove_statement(block);
      block->set_parent(NULL);
      SgAsmFunction* func = new SgAsmFunction(addr, RoseBin_support::HexToString(addr));
      ROSE_ASSERT(g_algo->info);
      g_algo->info->returnTargets[func].insert(g_algo->info->returnTargets[block].begin(), g_algo->info->returnTargets[block].end());
      isSgAsmBlock(globalNode)->append_statement(func);
      func->set_parent(globalNode);
      vector <SgNode*> vec =block->get_traversalSuccessorContainer();
      for (unsigned int itf = 0; itf < vec.size() ; itf++) {
        SgAsmInstruction* finst = isSgAsmInstruction(vec[itf]);
        finst->set_parent(func);
        func->append_statement(finst);
      }
      block->remove_children();
    }
  }

  //  string filename="_binary_tree_func.dot";
  //AST_BIN_Traversal* trav = new AST_BIN_Traversal();
  //trav->run(globalNode, filename);

}
Пример #2
0
 void visit(SgNode *node) {
     SgAsmBlock *bb = isSgAsmBlock(node);
     SgAsmFunction *func = bb ? SageInterface::getEnclosingNode<SgAsmFunction>(bb) : NULL;
     if (func && bb->get_address()==removal_addr) {
         SgAsmStatementPtrList::iterator found = std::find(func->get_statementList().begin(), 
                                                           func->get_statementList().end(),
                                                           bb);
         ROSE_ASSERT(found!=func->get_statementList().end());
         func->get_statementList().erase(found);
         std::cout <<"removed basic block " <<StringUtility::addrToString(removal_addr) <<std::endl;
         // throw 1 /* found the one-and-only block, so we can abandon the traversal */
     }
 }
Пример #3
0
BtorTranslationPolicy::BtorTranslationPolicy(BtorTranslationHooks* hooks, uint32_t minNumStepsToFindError, uint32_t maxNumStepsToFindError, SgProject* proj): problem(), hooks(hooks), regdict(NULL) {
  assert (minNumStepsToFindError >= 1); // Can't find an error on the first step
  assert (maxNumStepsToFindError < 0xFFFFFFFFU); // Prevent overflows
  assert (minNumStepsToFindError <= maxNumStepsToFindError || maxNumStepsToFindError == 0);
  makeRegMap(origRegisterMap, "");
  makeRegMapZero(newRegisterMap);
  isValidIp = false_();
  validIPs.clear();
  Comp stepCount = problem.build_var(32, "stepCount_saturating_at_" + boost::lexical_cast<std::string>(maxNumStepsToFindError + 1));
  addNext(stepCount, ite(problem.build_op_eq(stepCount, number<32>(maxNumStepsToFindError + 1)), number<32>(maxNumStepsToFindError + 1), problem.build_op_inc(stepCount)));
  resetState = problem.build_op_eq(stepCount, zero(32));
  errorsEnabled =
    problem.build_op_and(
      problem.build_op_ugte(stepCount, number<32>(minNumStepsToFindError)),
      (maxNumStepsToFindError == 0 ?
       true_() :
       problem.build_op_ulte(stepCount, number<32>(maxNumStepsToFindError))));
  {
    vector<SgNode*> functions = NodeQuery::querySubTree(proj, V_SgAsmFunction);
    for (size_t i = 0; i < functions.size(); ++i) {
      functionStarts.push_back(isSgAsmFunction(functions[i])->get_address());
      // fprintf(stderr, "functionStarts 0x%"PRIx64"\n", isSgAsmFunction(functions[i])->get_address());
    }
  }
  {
    vector<SgNode*> blocks = NodeQuery::querySubTree(proj, V_SgAsmBlock);
    for (size_t i = 0; i < blocks.size(); ++i) {
      SgAsmBlock* b = isSgAsmBlock(blocks[i]);
      if (!b->get_statementList().empty() && isSgAsmX86Instruction(b->get_statementList().front())) {
        blockStarts.push_back(b->get_address());
        // fprintf(stderr, "blockStarts 0x%"PRIx64"\n", b->get_address());
      }
    }
  }
  {
    vector<SgNode*> calls = NodeQuery::querySubTree(proj, V_SgAsmX86Instruction);
    for (size_t i = 0; i < calls.size(); ++i) {
      SgAsmX86Instruction* b = isSgAsmX86Instruction(calls[i]);
      if (b->get_kind() != x86_call) continue;
      returnPoints.push_back(b->get_address() + b->get_raw_bytes().size());
      // fprintf(stderr, "returnPoints 0x%"PRIx64"\n", b->get_address() + b->get_raw_bytes().size());
    }
  }
  {
    vector<SgNode*> instructions = NodeQuery::querySubTree(proj, V_SgAsmX86Instruction);
    for (size_t i = 0; i < instructions.size(); ++i) {
      SgAsmX86Instruction* b = isSgAsmX86Instruction(instructions[i]);
      validIPs.push_back(b->get_address());
    }
  }
}
void BlockTraversal::visit(SgNode* n)
   {
     SgAsmBlock* asmBlock = isSgAsmBlock(n);
     if (asmBlock != NULL)
        {
       // Save the address of the SgAsmBlock.
          rose_addr_t asmBlockAddress = asmBlock->get_address();
       // printf ("asmBlockAddress = %zu \n",asmBlockAddress);
          printf ("asmBlockAddress = %p \n",asmBlockAddress);

          bool blockExists = blockMap.find(asmBlockAddress) != blockMap.end();
          ROSE_ASSERT(blockExists == false);

          if (blockExists == false)
             {
            // Need to add the block address.
            // blockMap[asmBlockAddress] = asmBlock;
               blockMap[asmBlockAddress] = pair<SgAsmBlock*,TraceStructType*>(asmBlock,new TraceStructType(asmBlock));
             }
        }
   }