next_inst_pass.hpp

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// Copyright (c) 2022, _xeroxz
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#pragma once
#include <obf/pass.hpp>
 
namespace theo::obf {
class next_inst_pass_t : public pass_t {
  explicit next_inst_pass_t() : pass_t(decomp::sym_type_t::instruction) {
    xed_state_t istate{XED_MACHINE_MODE_LONG_64, XED_ADDRESS_WIDTH_64b};
    xed_decoded_inst_zero_set_mode(&m_tmp_inst, &istate);
    xed_decode(&m_tmp_inst, m_type_inst_bytes, sizeof(m_type_inst_bytes));
  };
 
 public:
  static next_inst_pass_t* get();
  void run(decomp::symbol_t* sym);
 
 private:
  std::optional<recomp::reloc_t*> has_next_inst_reloc(decomp::symbol_t*);
  xed_decoded_inst_t m_tmp_inst;
  std::uint8_t m_type_inst_bytes[9] = {0x48, 0xC7, 0x44, 0x24, 0x08,
                                       0x44, 0x33, 0x22, 0x11};
};
}  // namespace theo::obf