src/main.cpp

   1 /*
   2  * Copyright (C) 2014  Ta Thanh Dinh <thanhdinh.ta@inria.fr>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  */
  19
  20 #include "main.h"
  21 #include "instrumentation/dbi.h"
  22
  23 using namespace instrumentation;
  24
  25 bool debug_enabled;
  26
  27 ADDRINT received_message_address;
  28 INT32 received_message_length;
  29 UINT32 current_execorder;
  30 UINT32 exectrace_max_length;
  31 UINT32 total_reexec_times;
  32 UINT32 max_local_reexec_number;
  33 UINT32 min_bridge_length;
  34
  35 boost::unordered_map<ADDRINT, ptr_instruction_t> instruction_at_address;
  36 boost::unordered_map<UINT32, ptr_instruction_t> instruction_at_execorder;
  37 boost::unordered_map<UINT32, ptr_cbranch_t> cbranch_at_execorder;
  38 boost::unordered_map<UINT32, ptr_checkpoint_t> checkpoint_at_execorder;
  39 boost::unordered_map<UINT32, exeorders_t> checkpoint_execorders_of_cbranch_at_execorder;
  40 boost::unordered_map<UINT32, addresses_t> inputaddrs_affecting_cbranch_at_execorder;
  41 boost::unordered_map<UINT32, ptr_insoperands_t> outerface_at_execorder;
  42 boost::unordered_map<ADDRINT, UINT8> original_msgstate_at_address;
  43 boost::unordered_map<ADDRINT, UINT8> original_memstate_at_address;
  44 boost::unordered_map<ADDRINT, UINT8> current_memstate_at_address;
  45 boost::unordered_map<UINT32, UINT32> target_execorder_of_bridge_at_execorder;
  46
  47 /**
  48  * @brief callback to initialize trace exploration.
  49  *
  50  * @param data unused parameters because all initialized data are global variables
  51  * @return VOID
  52  */
  53 VOID start_exploring(VOID* data)
  54 {
  55   instruction_at_address.clear();
  56   instruction_at_execorder.clear();
  57   cbranch_at_execorder.clear();
  58   return;
  59 }
  60
  61
  62 /**
  63  * @brief callback to finalize some operations (e.g. save logs, etc).
  64  *
  65  * @param code unused
  66  * @param data ...
  67  * @return VOID
  68  */
  69 VOID stop_exploring(INT32 code, VOID* data)
  70 {
  71   return;
  72 }
  73
  74
  75 int main(int argc, char* argv[])
  76 {
  77   // initialize PIN
  78   PIN_InitSymbols();
  79   PIN_Init(argc, argv);
  80
  81   // setup instrumentation functions
  82   PIN_AddApplicationStartFunction(start_exploring, 0);
  83   INS_AddInstrumentFunction(dbi::instrument_instruction_before, 0);
  84   PIN_AddSyscallEntryFunction(dbi::instrument_syscall_enter, 0);
  85   PIN_AddSyscallExitFunction(dbi::instrument_syscall_exit, 0);
  86   PIN_AddFiniFunction(stop_exploring, 0);
  87
  88   // pass control to PIN
  89   PIN_StartProgram();
  90   return 0;
  91 }