text: #include "relocs.h"
  
  void die(char *fmt, ...)
  {
  	va_list ap;
  	va_start(ap, fmt);
  	vfprintf(stderr, fmt, ap);
  	va_end(ap);
  	exit(1);
  }
  
  static void usage(void)
  {
  	die("relocs [--abs-syms|--abs-relocs|--text|--realmode] vmlinux\n");
  }
  
  int main(int argc, char **argv)
  {
  	int show_absolute_syms, show_absolute_relocs;
  	int as_text, use_real_mode;
  	const char *fname;
  	FILE *fp;
  	int i;
  	unsigned char e_ident[EI_NIDENT];
  
  	show_absolute_syms = 0;
  	show_absolute_relocs = 0;
  	as_text = 0;
  	use_real_mode = 0;
  	fname = NULL;
  	for (i = 1; i < argc; i++) {
  		char *arg = argv[i];
  		if (*arg == '-') {
  			if (strcmp(arg, "--abs-syms") == 0) {
  				show_absolute_syms = 1;
  				continue;
  			}
  			if (strcmp(arg, "--abs-relocs") == 0) {
  				show_absolute_relocs = 1;
  				continue;
  			}
  			if (strcmp(arg, "--text") == 0) {
  				as_text = 1;
  				continue;
  			}
  			if (strcmp(arg, "--realmode") == 0) {
  				use_real_mode = 1;
  				continue;
  			}
  		}
  		else if (!fname) {
  			fname = arg;
  			continue;
  		}
  		usage();
  	}
  	if (!fname) {
  		usage();
  	}
  	fp = fopen(fname, "r");
  	if (!fp) {
  		die("Cannot open %s: %s\n", fname, strerror(errno));
  	}
  	if (fread(&e_ident, 1, EI_NIDENT, fp) != EI_NIDENT) {
  		die("Cannot read %s: %s", fname, strerror(errno));
  	}
  	rewind(fp);
  	if (e_ident[EI_CLASS] == ELFCLASS64)
  		process_64(fp, use_real_mode, as_text,
  			   show_absolute_syms, show_absolute_relocs);
  	else
  		process_32(fp, use_real_mode, as_text,
  			   show_absolute_syms, show_absolute_relocs);
  	fclose(fp);
  	return 0;
  }
  