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1 | #include <stdio.h> |
2 | #include <stdlib.h> |
3 | #include <string.h> |
4 | #include <elf.h> |
5 | |
6 | int |
7 | main(int argc, char **argv) |
8 | { |
9 | unsigned char ei[EI_NIDENT]; |
10 | union { short s; char c[2]; } endian_test; |
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 | switch (ei[EI_DATA]) { |
31 | case ELFDATA2LSB: |
32 | printf("#define KERNEL_ELFDATA ELFDATA2LSB\n"); |
33 | break; |
34 | case ELFDATA2MSB: |
35 | printf("#define KERNEL_ELFDATA ELFDATA2MSB\n"); |
36 | break; |
37 | default: |
38 | exit(1); |
39 | } |
40 | |
41 | if (sizeof(unsigned long) == 4) { |
42 | printf("#define HOST_ELFCLASS ELFCLASS32\n"); |
43 | } else if (sizeof(unsigned long) == 8) { |
44 | printf("#define HOST_ELFCLASS ELFCLASS64\n"); |
45 | } |
46 | |
47 | endian_test.s = 0x0102; |
48 | if (memcmp(endian_test.c, "\x01\x02", 2) == 0) |
49 | printf("#define HOST_ELFDATA ELFDATA2MSB\n"); |
50 | else if (memcmp(endian_test.c, "\x02\x01", 2) == 0) |
51 | printf("#define HOST_ELFDATA ELFDATA2LSB\n"); |
52 | else |
53 | exit(1); |
54 | |
55 | return 0; |
56 | } |
57 | |
58 |
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ben-wpan
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javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9