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/* 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[])
{
const struct build_id_note *
(*build_id_find_nhdr_by_name)(const char *name);
const struct build_id_note *
(*build_id_find_nhdr_by_symbol)(const void *symbol);
ElfW(Word)
(*build_id_length)(const struct build_id_note *note);
const uint8_t *
(*build_id_data)(const struct build_id_note *note);
void *handle = dlopen("./libbuild-id.so", RTLD_LAZY);
if (!handle)
return -1;
build_id_find_nhdr_by_name = dlsym(handle, "build_id_find_nhdr_by_name");
build_id_find_nhdr_by_symbol = dlsym(handle, "build_id_find_nhdr_by_symbol");
build_id_length = dlsym(handle, "build_id_length");
build_id_data = dlsym(handle, "build_id_data");
if (dlerror())
return -1;
const struct build_id_note *note =
build_id_find_nhdr_by_name("./libbuild-id.so");
if (!note)
return -1;
const struct build_id_note *note_by_symbol =
build_id_find_nhdr_by_symbol(build_id_length);
if (note != note_by_symbol)
return -1;
ElfW(Word) len = build_id_length(note);
const uint8_t *build_id = build_id_data(note);
printf("Build ID: ");
for (ElfW(Word) i = 0; i < len; i++) {
printf("%02x", build_id[i]);
}
printf("\n");
dlclose(handle);
return 0;
}
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