diff options
Diffstat (limited to 'dlfcn')
| -rw-r--r-- | dlfcn/Makefile | 7 | ||||
| -rw-r--r-- | dlfcn/tst-dladdr.c | 75 |
2 files changed, 80 insertions, 2 deletions
diff --git a/dlfcn/Makefile b/dlfcn/Makefile index 398972015a..a38be42647 100644 --- a/dlfcn/Makefile +++ b/dlfcn/Makefile @@ -33,7 +33,7 @@ endif libdl-shared-only-routines += eval ifeq (yes,$(build-shared)) -tests = glrefmain failtest +tests = glrefmain failtest tst-dladdr endif modules-names = glreflib1 glreflib2 failtestmod extra-objs += $(modules-names:=.os) eval.os @@ -47,9 +47,12 @@ test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(modules-names))) $(test-modules): $(objpfx)%.so: $(objpfx)%.os $(build-module) -$(objpfx)glrefmain: $(objpfx)libdl.so +$(objpfx)glrefmain: $(libdl) $(objpfx)glrefmain.out: $(objpfx)glrefmain \ $(objpfx)glreflib1.so $(objpfx)glreflib2.so $(objpfx)failtest: $(libdl) $(objpfx)failtest.out: $(objpfx)failtestmod.so + +$(objpfx)tst-dladdr: $(libdl) +$(objpfx)tst-dladdr.out: $(objpfx)glreflib1.so diff --git a/dlfcn/tst-dladdr.c b/dlfcn/tst-dladdr.c new file mode 100644 index 0000000000..5493a15112 --- /dev/null +++ b/dlfcn/tst-dladdr.c @@ -0,0 +1,75 @@ +/* Test for dladdr. + Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Volkmar Sieh <vs@caldera.de> and Andreas Jaeger <aj@suse.de>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <dlfcn.h> +#include <errno.h> +#include <error.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + + +#define TEST_FUNCTION do_test () + +int +do_test (void) +{ + void *handle; + int (*sym) (void); /* We load ref1 from glreflib1.c. */ + Dl_info info; + int ret; + + + handle = dlopen ("glreflib1.so", RTLD_NOW); + if (handle == NULL) + error (EXIT_FAILURE, 0, "cannot load: glreflib1.so"); + + sym = dlsym (handle, "ref1"); + if (sym == NULL) + error (EXIT_FAILURE, 0, "dlsym failed"); + + memset (&info, 0, sizeof (info)); + ret = dladdr (sym, &info); + + if (ret == 0) + error (EXIT_FAILURE, 0, "dladdr failed"); + + printf ("address of ref1 = %p\n", sym); + printf ("ret = %d\n", ret); + printf ("info.dli_fname = %p (\"%s\")\n", info.dli_fname, info.dli_fname); + printf ("info.dli_fbase = %p\n", info.dli_fbase); + printf ("info.dli_sname = %p (\"%s\")\n", info.dli_sname, info.dli_sname); + printf ("info.dli_saddr = %p\n", info.dli_saddr); + + if (info.dli_fname == NULL) + error (EXIT_FAILURE, 0, "dli_fname is NULL"); + if (info.dli_fbase == NULL) + error (EXIT_FAILURE, 0, "dli_fbase is NULL"); + if (info.dli_sname == NULL) + error (EXIT_FAILURE, 0, "dli_sname is NULL"); + if (info.dli_saddr == NULL) + error (EXIT_FAILURE, 0, "dli_saddr is NULL"); + + dlclose (handle); + + return 0; +} + + +#include "../test-skeleton.c" |