gcc sample.c -o sample -lunwind

sample.c

#include <stdio.h>

#define UNW_LOCAL_ONLY
#include <libunwind.h>

int print_backtrace() {
  unw_context_t unwind_context;
  unw_cursor_t unwind_cursor;

  unw_getcontext(&unwind_context);
  unw_init_local(&unwind_cursor, &unwind_context);

  while (unw_step(&unwind_cursor) > 0) {
    char proc_name[255];
    unw_word_t ip, sp, proc_offset;
    unw_get_reg(&unwind_cursor, UNW_REG_IP, &ip);
    unw_get_reg(&unwind_cursor, UNW_REG_SP, &sp);
    unw_get_proc_name(&unwind_cursor, proc_name, 255, &proc_offset);
    
    printf ("[ip = %lx, sp = %lx] %s at %lx\n", (long) ip, (long) sp, proc_name, (long) proc_offset);
  };
}

void three() {
  print_backtrace();
}

void two() {
  three();
}

void one() {
  two();
}

int main() {
  one();
  return 0;
}