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/*
* Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdint.h>
#include <string.h>
#include <rho/layout.h>
#include <rho/arch.h>
#include <rho/exec.h>
#include "dl.h"
char *_dep(void *object, uint32_t index, int loaded) {
struct elf_cache cache;
const char *name;
size_t i;
elf_gencache(&cache, object, loaded);
if (!cache.dynamic) {
return NULL;
}
name = NULL;
for (i = 0; cache.dynamic[i].tag != DT_NULL; i++) {
if (cache.dynamic[i].tag == DT_NEEDED) {
if (!index--) {
name = &cache.strtab[cache.dynamic[i].val];
}
}
}
return (char*) name;
}