#include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <elf.h>
  
  int
  main(int argc, char **argv)
  {

  	unsigned char ei[EI_NIDENT];

  	union { short s; char c[2]; } endian_test;
  
  	if (argc != 2) {
  		fprintf(stderr, "Error: no arch
  ");
  	}
  	if (fread(ei, 1, EI_NIDENT, stdin) != EI_NIDENT) {
  		fprintf(stderr, "Error: input truncated
  ");
  		return 1;
  	}
  	if (memcmp(ei, ELFMAG, SELFMAG) != 0) {
  		fprintf(stderr, "Error: not ELF
  ");
  		return 1;
  	}
  	switch (ei[EI_CLASS]) {
  	case ELFCLASS32:
  		printf("#define KERNEL_ELFCLASS ELFCLASS32
  ");
  		break;
  	case ELFCLASS64:
  		printf("#define KERNEL_ELFCLASS ELFCLASS64
  ");
  		break;
  	default:

  		exit(1);

  	}
  	switch (ei[EI_DATA]) {
  	case ELFDATA2LSB:
  		printf("#define KERNEL_ELFDATA ELFDATA2LSB
  ");
  		break;
  	case ELFDATA2MSB:
  		printf("#define KERNEL_ELFDATA ELFDATA2MSB
  ");
  		break;
  	default:

  		exit(1);

  	}
  
  	if (sizeof(unsigned long) == 4) {
  		printf("#define HOST_ELFCLASS ELFCLASS32
  ");
  	} else if (sizeof(unsigned long) == 8) {
  		printf("#define HOST_ELFCLASS ELFCLASS64
  ");
  	}
  
  	endian_test.s = 0x0102;
  	if (memcmp(endian_test.c, "\x01\x02", 2) == 0)
  		printf("#define HOST_ELFDATA ELFDATA2MSB
  ");
  	else if (memcmp(endian_test.c, "\x02\x01", 2) == 0)
  		printf("#define HOST_ELFDATA ELFDATA2LSB
  ");
  	else

  		exit(1);

  	if ((strcmp(argv[1], "h8300") == 0)

  	    || (strcmp(argv[1], "blackfin") == 0))

  		printf("#define MODULE_SYMBOL_PREFIX \"_\"
  ");

  	else

  		printf("#define MODULE_SYMBOL_PREFIX \"\"
  ");
  
  	return 0;
  }