forked from rpms/glibc
295 lines
9.2 KiB
Diff
295 lines
9.2 KiB
Diff
commit 02c6a3d35316d360ae08623f617b1873d2f6159a
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Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Date: Wed Jun 30 15:51:31 2021 -0300
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elf: Add audit tests for modules with TLSDESC
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Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.
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Reviewed-by: Florian Weimer <fweimer@redhat.com>
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(cherry picked from commit d1b38173c9255b1a4ae00018ad9b35404a7c74d0)
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diff --git a/elf/Makefile b/elf/Makefile
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index eab9d46b6165e6be..29f545d2272bf6e2 100644
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--- a/elf/Makefile
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+++ b/elf/Makefile
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@@ -807,6 +807,22 @@ modules-names += tst-gnu2-tls1mod
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$(objpfx)tst-gnu2-tls1: $(objpfx)tst-gnu2-tls1mod.so
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tst-gnu2-tls1mod.so-no-z-defs = yes
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CFLAGS-tst-gnu2-tls1mod.c += -mtls-dialect=gnu2
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+
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+tests += tst-audit-tlsdesc tst-audit-tlsdesc-dlopen
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+modules-names += tst-audit-tlsdesc-mod1 tst-audit-tlsdesc-mod2 tst-auditmod-tlsdesc
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+$(objpfx)tst-audit-tlsdesc: $(objpfx)tst-audit-tlsdesc-mod1.so \
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+ $(objpfx)tst-audit-tlsdesc-mod2.so \
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+ $(shared-thread-library)
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+CFLAGS-tst-audit-tlsdesc-mod1.c += -mtls-dialect=gnu2
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+CFLAGS-tst-audit-tlsdesc-mod2.c += -mtls-dialect=gnu2
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+$(objpfx)tst-audit-tlsdesc-dlopen: $(shared-thread-library)
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+$(objpfx)tst-audit-tlsdesc-dlopen.out: $(objpfx)tst-audit-tlsdesc-mod1.so \
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+ $(objpfx)tst-audit-tlsdesc-mod2.so
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+$(objpfx)tst-audit-tlsdesc-mod1.so: $(objpfx)tst-audit-tlsdesc-mod2.so
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+$(objpfx)tst-audit-tlsdesc.out: $(objpfx)tst-auditmod-tlsdesc.so
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+tst-audit-tlsdesc-ENV = LD_AUDIT=$(objpfx)tst-auditmod-tlsdesc.so
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+$(objpfx)tst-audit-tlsdesc-dlopen.out: $(objpfx)tst-auditmod-tlsdesc.so
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+tst-audit-tlsdesc-dlopen-ENV = LD_AUDIT=$(objpfx)tst-auditmod-tlsdesc.so
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endif
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ifeq (yes,$(have-protected-data))
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modules-names += tst-protected1moda tst-protected1modb
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diff --git a/elf/tst-audit-tlsdesc-dlopen.c b/elf/tst-audit-tlsdesc-dlopen.c
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new file mode 100644
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index 0000000000000000..9c16bb087aca1b77
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--- /dev/null
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+++ b/elf/tst-audit-tlsdesc-dlopen.c
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@@ -0,0 +1,67 @@
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+/* DT_AUDIT with modules with TLSDESC.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <support/check.h>
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+#include <support/xthread.h>
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+#include <support/xdlfcn.h>
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+
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+static void *
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+thr_func (void *mod)
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+{
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+ int* (*get_global1)(void) = xdlsym (mod, "get_global1");
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+ int* (*get_global2)(void) = xdlsym (mod, "get_global2");
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+ void (*set_global2)(int) = xdlsym (mod, "set_global2");
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+ int* (*get_local1)(void) = xdlsym (mod, "get_local1");
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+ int* (*get_local2)(void) = xdlsym (mod, "get_local2");
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+
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+ int *global1 = get_global1 ();
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+ TEST_COMPARE (*global1, 0);
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+ ++*global1;
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+
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+ int *global2 = get_global2 ();
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+ TEST_COMPARE (*global2, 0);
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+ ++*global2;
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+ TEST_COMPARE (*global2, 1);
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+
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+ set_global2 (10);
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+ TEST_COMPARE (*global2, 10);
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+
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+ int *local1 = get_local1 ();
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+ TEST_COMPARE (*local1, 0);
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+ ++*local1;
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+
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+ int *local2 = get_local2 ();
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+ TEST_COMPARE (*local2, 0);
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+ ++*local2;
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+
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+ return 0;
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+}
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+
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+static int
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+do_test (void)
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+{
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+ void *mod = xdlopen ("tst-audit-tlsdesc-mod1.so", RTLD_LAZY);
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+
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+ pthread_t thr = xpthread_create (NULL, thr_func, mod);
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+ void *r = xpthread_join (thr);
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+ TEST_VERIFY (r == NULL);
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+
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+ return 0;
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+}
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+
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+#include <support/test-driver.c>
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diff --git a/elf/tst-audit-tlsdesc-mod1.c b/elf/tst-audit-tlsdesc-mod1.c
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new file mode 100644
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index 0000000000000000..61c7dd99a2fb5e28
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--- /dev/null
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+++ b/elf/tst-audit-tlsdesc-mod1.c
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@@ -0,0 +1,41 @@
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+/* DT_AUDIT with modules with TLSDESC.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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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+ <https://www.gnu.org/licenses/>. */
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+
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+__thread int global1;
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+
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+int *
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+get_global1 (void)
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+{
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+ return &global1;
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+}
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+
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+static __thread int local1;
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+
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+void *
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+get_local1 (void)
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+{
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+ return &local1;
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+}
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+
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+extern __thread int global2;
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+
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+void
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+set_global2 (int v)
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+{
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+ global2 = v;
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+}
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diff --git a/elf/tst-audit-tlsdesc-mod2.c b/elf/tst-audit-tlsdesc-mod2.c
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new file mode 100644
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index 0000000000000000..28aef635f688ee03
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--- /dev/null
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+++ b/elf/tst-audit-tlsdesc-mod2.c
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@@ -0,0 +1,33 @@
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+/* DT_AUDIT with modules with TLSDESC.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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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+ <https://www.gnu.org/licenses/>. */
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+
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+__thread int global2;
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+
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+int *
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+get_global2 (void)
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+{
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+ return &global2;
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+}
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+
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+static __thread int local2;
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+
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+void *
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+get_local2 (void)
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+{
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+ return &local2;
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+}
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diff --git a/elf/tst-audit-tlsdesc.c b/elf/tst-audit-tlsdesc.c
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new file mode 100644
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index 0000000000000000..3c8be81c95528f47
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--- /dev/null
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+++ b/elf/tst-audit-tlsdesc.c
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@@ -0,0 +1,60 @@
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+/* DT_AUDIT with modules with TLSDESC.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <support/check.h>
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+#include <support/xthread.h>
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+
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+extern __thread int global1;
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+extern __thread int global2;
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+void *get_local1 (void);
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+void set_global2 (int v);
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+void *get_local2 (void);
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+
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+static void *
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+thr_func (void *clousure)
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+{
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+ TEST_COMPARE (global1, 0);
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+ ++global1;
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+ TEST_COMPARE (global2, 0);
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+ ++global2;
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+ TEST_COMPARE (global2, 1);
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+
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+ set_global2 (10);
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+ TEST_COMPARE (global2, 10);
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+
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+ int *local1 = get_local1 ();
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+ TEST_COMPARE (*local1, 0);
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+ ++*local1;
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+
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+ int *local2 = get_local2 ();
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+ TEST_COMPARE (*local2, 0);
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+ ++*local2;
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+
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+ return 0;
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+}
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+
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+static int
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+do_test (void)
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+{
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+ pthread_t thr = xpthread_create (NULL, thr_func, NULL);
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+ void *r = xpthread_join (thr);
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+ TEST_VERIFY (r == NULL);
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+ return 0;
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+}
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+
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+#include <support/test-driver.c>
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diff --git a/elf/tst-auditmod-tlsdesc.c b/elf/tst-auditmod-tlsdesc.c
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new file mode 100644
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index 0000000000000000..e4b835d1f1fb6f73
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--- /dev/null
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+++ b/elf/tst-auditmod-tlsdesc.c
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@@ -0,0 +1,25 @@
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+/* DT_AUDIT with modules with TLSDESC.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <link.h>
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+
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+unsigned int
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+la_version (unsigned int version)
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+{
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+ return LAV_CURRENT;
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+}
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