// g++-8 -Wall -g -o exception exception.cpp
#include <vector>
#include <iostream>
int main2();

#include <execinfo.h>
#include <stdio.h>
#include <stdlib.h>

/* Obtain a backtrace and print it to stdout.
 https://www.gnu.org/software/libc/manual/html_node/Backtraces.html
 */
void
print_trace (void)
{
  void *array[10];
  size_t size;
  char **strings;
  size_t i;

  size = backtrace (array, 10);
  strings = backtrace_symbols (array, size);

  printf ("Obtained %zd stack frames.\n", size);

  for (i = 0; i < size; i++)
     printf ("symbols %s\n", strings[i]);

  free (strings);
}

int main()
{
    try
    {
        main2();
    }
    catch( const std::exception &e)
    {
        const std::string what(e.what());
        std::cout << "Unhandled exception: [" << what << "]\n";
        print_trace();
        exit(0);
    }
}

int main2()
{
    std::vector<int> v;
    return v.at(0);
}