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/* Test for dlinfo.
Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <error.h>
#define TEST_FUNCTION do_test ()
static int
do_test (void)
{
int status = 0;
void *handle = dlopen ("glreflib3.so", RTLD_NOW);
if (handle == NULL)
error (EXIT_FAILURE, 0, "cannot load: glreflib1.so: %s", dlerror ());
#define TRY(req, arg) \
if (dlinfo (handle, req, arg) != 0) \
{ \
printf ("dlinfo failed for %s: %s\n", #req, dlerror ()); \
status = 1; \
} \
else
struct link_map *l;
TRY (RTLD_DI_LINKMAP, &l)
{
if (l != handle)
{
printf ("bogus link_map? %p != %p\n", l, handle);
status = 1;
}
}
char origin[8192]; /* >= PATH_MAX, in theory */
TRY (RTLD_DI_ORIGIN, origin)
{
printf ("origin: %s\n", origin);
}
Dl_serinfo counts;
TRY (RTLD_DI_SERINFOSIZE, &counts)
{
Dl_serinfo *buf = alloca (counts.dls_size);
buf->dls_cnt = counts.dls_cnt;
buf->dls_size = counts.dls_size;
printf ("%u library directories\n", buf->dls_cnt);
TRY (RTLD_DI_SERINFO, buf)
{
if (counts.dls_cnt != buf->dls_cnt)
{
printf ("??? became %u library directories\n", buf->dls_cnt);
status = 1;
}
for (unsigned int i = 0; i < buf->dls_cnt; ++i)
printf ("\t%#02x\t%s\n",
buf->dls_serpath[i].dls_flags,
buf->dls_serpath[i].dls_name);
}
}
unsigned long int lmid = 0xdeadbeefUL;
if (dlinfo (handle, RTLD_DI_LMID, &lmid) != 0)
printf ("dlinfo refuses RTLD_DI_LMID: %s\n", dlerror ());
else
{
printf ("dlinfo RTLD_DI_LMID worked? %#lx\n", lmid);
status = lmid == 0xdeadbeefUL;
}
#undef TRY
dlclose (handle);
return status;
}
#include "../test-skeleton.c"
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