| // SPDX-License-Identifier: GPL-2.0 |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <elf.h> |
| |
| int |
| main(int argc, char **argv) |
| { |
| unsigned char ei[EI_NIDENT]; |
| |
| if (fread(ei, 1, EI_NIDENT, stdin) != EI_NIDENT) { |
| fprintf(stderr, "Error: input truncated\n"); |
| return 1; |
| } |
| if (memcmp(ei, ELFMAG, SELFMAG) != 0) { |
| fprintf(stderr, "Error: not ELF\n"); |
| return 1; |
| } |
| switch (ei[EI_CLASS]) { |
| case ELFCLASS32: |
| printf("#define KERNEL_ELFCLASS ELFCLASS32\n"); |
| break; |
| case ELFCLASS64: |
| printf("#define KERNEL_ELFCLASS ELFCLASS64\n"); |
| break; |
| default: |
| exit(1); |
| } |
| |
| return 0; |
| } |
