1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* vim: set expandtab tabstop=4 softtabstop=4 shiftwidth=4: */
/*
* Copyright © 2016 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include "build-id.h"
int
main(int argc, char *argv[])
{
extern char etext, edata, end;
extern const char __note_gnu_build_id_end[] __attribute__((weak));
extern const char __note_gnu_build_id_start[] __attribute__((weak));
printf("Executable:\n");
printf(" program text (etext) %10p\n", &etext);
printf(" initialized data (edata) %10p\n", &edata);
printf(" uninitialized data (end) %10p\n", &end);
printf(" note section start %10p\n", __note_gnu_build_id_start);
printf(" note section end %10p\n", __note_gnu_build_id_end);
so_print();
const ElfW(Nhdr) *nhdr = build_id_find_nhdr();
if (!nhdr)
return -1;
ElfW(Word) len = build_id_length(nhdr);
unsigned char *build_id = malloc(len * sizeof(char));
if (!build_id)
return -1;
build_id_read(nhdr, build_id);
printf("Build ID: ");
for (ElfW(Word) i = 0; i < len; i++) {
printf("%02x", build_id[i]);
}
printf("\n");
return 0;
}
|