mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 19:10:06 +00:00
45e4762c2c
* dlfcn/Makefile (tests): Add tst-dlinfo. ($(objpfx)tst-dlinfo): New target. * dlfcn/dlinfo.c: New file. * dlfcn/Makefile (libdl-routines): Add it. * dlfcn/Versions (libdl: GLIBC_2.3.3): Add dlinfo. * dlfcn/dlfcn.h [__USE_GNU]: Declare dlinfo. [__USE_GNU] (RTLD_DI_*): New enum constants. [__USE_GNU] (Dl_serpath, Dl_serinfo): New types. * elf/dl-load.c (cache_rpath): New inline function. (_dl_map_object): Use it. (_dl_rtld_di_serinfo): New function. * sysdeps/generic/ldsodefs.h: Declare it. * elf/Versions (ld: GLIBC_PRIVATE): Add it.
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/* Test for dlinfo.
|
|
Copyright (C) 2003 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#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 ("glreflib1.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"
|