O que são _Unwind_SjLj_Unregister e _Unwind_SjLj_Register? Eu os recebo como meus principais usuários em tempo de processador no meu relatório do gprof. o google retorna apenas links para pessoas que reclamam de erros com esses dois.

Esta é a única parte do meu relatório que possui tempos! = 0:

Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls  ms/call  ms/call  name    
 33.33      0.03     0.03                             _Unwind_SjLj_Unregister
 22.22      0.05     0.02                             _Unwind_SjLj_Register
 11.11      0.06     0.01    13886     0.00     0.00  toint(std::string, int)
 11.11      0.07     0.01     4380     0.00     0.00  hexlify(std::string)
 11.11      0.08     0.01     2994     0.00     0.00  std::_Deque_iterator<unsigned char, unsigned char const&, unsigned char const*>::operator+(int) const
 11.11      0.09     0.01                             std::string::assign(char const*, unsigned int)

im executando o Windows 7 x64 e compilando com codeblocks 10.05 gcc

editar

after habilitando funções que forçam o programa a executar 64 segundos, agora se parece com:

Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls   s/call   s/call  name    
  8.45      3.49     3.49                             _Unwind_SjLj_Register
  7.36      6.53     3.04  4000006     0.00     0.00  CAST128::setkey(std::string)
  5.86      8.95     2.42                             _Unwind_SjLj_Unregister
  4.36     10.75     1.80 64000080     0.00     0.00  CAST128::F(int&, unsigned int&, unsigned int&, unsigned char&)
  3.68     12.27     1.52                             __dynamic_cast
  3.37     13.66     1.39                             std::string::_Rep::_S_create(unsigned int, unsigned int, std::allocator<char> const&)
  3.25     15.00     1.34                             std::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
  2.88     16.19     1.19                             std::istreambuf_iterator<char, std::char_traits<char> > std::num_get<char, std::istreambuf_iterator<char, std::char_traits<char> > >::_M_extract_int<unsigned long long>(std::istreambuf_iterator<char, std::char_traits<char> >, std::istreambuf_iterator<char, std::char_traits<char> >, std::ios_base&, std::_Ios_Iostate&, unsigned long long&) const