]> Git Repo - J-linux.git/blob - scripts/mod/mk_elfconfig.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / scripts / mod / mk_elfconfig.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <string.h>
5 #include <elf.h>
6
7 int
8 main(int argc, char **argv)
9 {
10         unsigned char ei[EI_NIDENT];
11
12         if (fread(ei, 1, EI_NIDENT, stdin) != EI_NIDENT) {
13                 fprintf(stderr, "Error: input truncated\n");
14                 return 1;
15         }
16         if (memcmp(ei, ELFMAG, SELFMAG) != 0) {
17                 fprintf(stderr, "Error: not ELF\n");
18                 return 1;
19         }
20         switch (ei[EI_CLASS]) {
21         case ELFCLASS32:
22                 printf("#define KERNEL_ELFCLASS ELFCLASS32\n");
23                 break;
24         case ELFCLASS64:
25                 printf("#define KERNEL_ELFCLASS ELFCLASS64\n");
26                 break;
27         default:
28                 exit(1);
29         }
30
31         return 0;
32 }
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