/*#notarget: cris*-*-elf*/#define _GNU_SOURCE#include <string.h>#include <stdlib.h>#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <unistd.h>#include <sys/mman.h>int main (int argc, char *argv[]){  int fd = open (argv[0], O_RDONLY);  struct stat sb;  int size;  void *a;  const char *str = "a string you'll only find in the program";  if (fd == -1)    {      perror ("open");      abort ();    }  if (fstat (fd, &sb) < 0)    {      perror ("fstat");      abort ();    }  size = sb.st_size;  /* We want to test mmapping a size that isn't exactly a page.  */  if ((size & 8191) == 0)    size--;  a = mmap (NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);  if (memmem (a, size, str, strlen (str) + 1) == NULL)    abort ();  printf ("pass\n");  exit (0);}