[v2,2/2] elf: Add test for finding libraries in root dir
Commit Message
Suggested-by: Carlos O'Donell <carlos@redhat.com>
Signed-off-by: Qixing ksyx Xue <qixingxue@outlook.com>
---
elf/Makefile | 3 +++
elf/tst-rootdir-lib.c | 23 +++++++++++++++++++
elf/tst-rootdir.c | 37 +++++++++++++++++++++++++++++++
elf/tst-rootdir.root/preclean.req | 0
elf/tst-rootdir.script | 1 +
5 files changed, 64 insertions(+)
create mode 100644 elf/tst-rootdir-lib.c
create mode 100644 elf/tst-rootdir.c
create mode 100644 elf/tst-rootdir.root/preclean.req
create mode 100644 elf/tst-rootdir.script
Comments
On 2023-05-09 18:56, Qixing ksyx Xue via Libc-alpha wrote:
> Suggested-by: Carlos O'Donell <carlos@redhat.com>
> Signed-off-by: Qixing ksyx Xue <qixingxue@outlook.com>
> ---
> elf/Makefile | 3 +++
> elf/tst-rootdir-lib.c | 23 +++++++++++++++++++
> elf/tst-rootdir.c | 37 +++++++++++++++++++++++++++++++
> elf/tst-rootdir.root/preclean.req | 0
> elf/tst-rootdir.script | 1 +
> 5 files changed, 64 insertions(+)
> create mode 100644 elf/tst-rootdir-lib.c
> create mode 100644 elf/tst-rootdir.c
> create mode 100644 elf/tst-rootdir.root/preclean.req
> create mode 100644 elf/tst-rootdir.script
Sorry, I acked Andreas' patch to fix the same issue; it's also a
slightly cleaner fix. It didn't have a test case though, so thank you
for writing the test! Could you please send a v3 of the test with the
following nits fixed and also quote the BZ number in the subject?
Thanks,
Sid
>
> diff --git a/elf/Makefile b/elf/Makefile
> index 396ec51424..ee81575cbb 100644
> --- a/elf/Makefile
> +++ b/elf/Makefile
> @@ -325,6 +325,7 @@ static-dlopen-environment = \
> LD_LIBRARY_PATH=$(ld-library-path):$(common-objpfx)dlfcn
> tst-tls9-static-ENV = $(static-dlopen-environment)
> tst-single_threaded-static-dlopen-ENV = $(static-dlopen-environment)
> +tst-rootdir-ENV = LD_LIBRARY_PATH=/
>
> tests += \
> argv0test \
> @@ -506,6 +507,7 @@ tests-container += \
> tst-dlopen-tlsmodid-container \
> tst-pldd \
> tst-preload-pthread-libc \
> + tst-rootdir \
> # tests-container
>
> test-srcs = \
> @@ -854,6 +856,7 @@ modules-names += \
> tst-relsort1mod1 \
> tst-relsort1mod2 \
> tst-ro-dynamic-mod \
> + tst-rootdir-lib \
> tst-single_threaded-mod1 \
> tst-single_threaded-mod2 \
> tst-single_threaded-mod3 \
> diff --git a/elf/tst-rootdir-lib.c b/elf/tst-rootdir-lib.c
> new file mode 100644
> index 0000000000..22b7bdad70
> --- /dev/null
> +++ b/elf/tst-rootdir-lib.c
> @@ -0,0 +1,23 @@
> +/* Simple library for testing locating library in root directories.
> + Copyright (C) 2023 Free Software Foundation, Inc.
Please change this to "Copyright The GNU Toolchain Authors." for both files.
> + 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
> + <http://www.gnu.org/licenses/>. */
> +
> +const char *
> +test_func (void)
> +{
> + return "Success";
> +}
> diff --git a/elf/tst-rootdir.c b/elf/tst-rootdir.c
> new file mode 100644
> index 0000000000..a31d4237af
> --- /dev/null
> +++ b/elf/tst-rootdir.c
> @@ -0,0 +1,37 @@
> +/* Test code for locating libraries in root directories.
> + Copyright (C) 2023 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
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <support/test-driver.h>
> +#include <support/check.h>
> +#include <dlfcn.h>
> +#include <assert.h>
> +
> +static int
> +do_test (void)
> +{
> + void *handle = dlopen ("libtest.so", RTLD_LAZY);
> + TEST_VERIFY_EXIT (handle != NULL);
> + typedef const char *(test_func_t) (void);
> + test_func_t *func = dlsym (handle, "test_func");
> + assert (func != NULL);
> + TEST_COMPARE_STRING (func (), "Success");
> + dlclose (handle);
> + return 0;
> +}
> +
> +#include <support/test-driver.c>
> diff --git a/elf/tst-rootdir.root/preclean.req b/elf/tst-rootdir.root/preclean.req
> new file mode 100644
> index 0000000000..e69de29bb2
> diff --git a/elf/tst-rootdir.script b/elf/tst-rootdir.script
> new file mode 100644
> index 0000000000..f852c0ec34
> --- /dev/null
> +++ b/elf/tst-rootdir.script
> @@ -0,0 +1 @@
> +cp $B/elf/tst-rootdir-lib.so /libtest.so
@@ -325,6 +325,7 @@ static-dlopen-environment = \
LD_LIBRARY_PATH=$(ld-library-path):$(common-objpfx)dlfcn
tst-tls9-static-ENV = $(static-dlopen-environment)
tst-single_threaded-static-dlopen-ENV = $(static-dlopen-environment)
+tst-rootdir-ENV = LD_LIBRARY_PATH=/
tests += \
argv0test \
@@ -506,6 +507,7 @@ tests-container += \
tst-dlopen-tlsmodid-container \
tst-pldd \
tst-preload-pthread-libc \
+ tst-rootdir \
# tests-container
test-srcs = \
@@ -854,6 +856,7 @@ modules-names += \
tst-relsort1mod1 \
tst-relsort1mod2 \
tst-ro-dynamic-mod \
+ tst-rootdir-lib \
tst-single_threaded-mod1 \
tst-single_threaded-mod2 \
tst-single_threaded-mod3 \
new file mode 100644
@@ -0,0 +1,23 @@
+/* Simple library for testing locating library in root directories.
+ Copyright (C) 2023 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
+ <http://www.gnu.org/licenses/>. */
+
+const char *
+test_func (void)
+{
+ return "Success";
+}
new file mode 100644
@@ -0,0 +1,37 @@
+/* Test code for locating libraries in root directories.
+ Copyright (C) 2023 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
+ <http://www.gnu.org/licenses/>. */
+
+#include <support/test-driver.h>
+#include <support/check.h>
+#include <dlfcn.h>
+#include <assert.h>
+
+static int
+do_test (void)
+{
+ void *handle = dlopen ("libtest.so", RTLD_LAZY);
+ TEST_VERIFY_EXIT (handle != NULL);
+ typedef const char *(test_func_t) (void);
+ test_func_t *func = dlsym (handle, "test_func");
+ assert (func != NULL);
+ TEST_COMPARE_STRING (func (), "Success");
+ dlclose (handle);
+ return 0;
+}
+
+#include <support/test-driver.c>
new file mode 100644
new file mode 100644
@@ -0,0 +1 @@
+cp $B/elf/tst-rootdir-lib.so /libtest.so