elf: Implement DT_AUDIT, DT_DEPAUDIT support [BZ #24943]

binutils ld has supported --audit, --depaudit for a long time,
only support in glibc has been missing.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/elf/tst-auditlogmod-1.c b/elf/tst-auditlogmod-1.c
new file mode 100644
index 0000000..db9dac4
--- /dev/null
+++ b/elf/tst-auditlogmod-1.c
@@ -0,0 +1,27 @@
+/* Audit module which logs that it was loaded.  Variant 1.
+   Copyright (C) 2020 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <link.h>
+#include <support/support.h>
+
+unsigned int
+la_version (unsigned int v)
+{
+  write_message ("info: tst-auditlogmod-1.so loaded\n");
+  return LAV_CURRENT;
+}