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96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/* Test for dlinfo.
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Copyright (C) 2003-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <error.h>
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#define TEST_FUNCTION do_test ()
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static int
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do_test (void)
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{
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int status = 0;
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void *handle = dlopen ("glreflib3.so", RTLD_NOW);
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if (handle == NULL)
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error (EXIT_FAILURE, 0, "cannot load: glreflib1.so: %s", dlerror ());
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#define TRY(req, arg) \
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if (dlinfo (handle, req, arg) != 0) \
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{ \
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printf ("dlinfo failed for %s: %s\n", #req, dlerror ()); \
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status = 1; \
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} \
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else
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struct link_map *l;
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TRY (RTLD_DI_LINKMAP, &l)
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{
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if (l != handle)
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{
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printf ("bogus link_map? %p != %p\n", l, handle);
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status = 1;
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}
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}
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char origin[8192]; /* >= PATH_MAX, in theory */
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TRY (RTLD_DI_ORIGIN, origin)
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{
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printf ("origin: %s\n", origin);
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}
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Dl_serinfo counts;
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TRY (RTLD_DI_SERINFOSIZE, &counts)
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{
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Dl_serinfo *buf = alloca (counts.dls_size);
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buf->dls_cnt = counts.dls_cnt;
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buf->dls_size = counts.dls_size;
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printf ("%u library directories\n", buf->dls_cnt);
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TRY (RTLD_DI_SERINFO, buf)
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{
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if (counts.dls_cnt != buf->dls_cnt)
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{
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printf ("??? became %u library directories\n", buf->dls_cnt);
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status = 1;
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}
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for (unsigned int i = 0; i < buf->dls_cnt; ++i)
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printf ("\t%#02x\t%s\n",
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buf->dls_serpath[i].dls_flags,
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buf->dls_serpath[i].dls_name);
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}
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}
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unsigned long int lmid = 0xdeadbeefUL;
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if (dlinfo (handle, RTLD_DI_LMID, &lmid) != 0)
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printf ("dlinfo refuses RTLD_DI_LMID: %s\n", dlerror ());
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else
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{
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printf ("dlinfo RTLD_DI_LMID worked? %#lx\n", lmid);
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status = lmid == 0xdeadbeefUL;
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}
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#undef TRY
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dlclose (handle);
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return status;
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}
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#include "../test-skeleton.c"
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