[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/dlfcn/dlmopen.c b/ap/libc/glibc/glibc-2.23/dlfcn/dlmopen.c
new file mode 100644
index 0000000..6da0d0d
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/dlfcn/dlmopen.c
@@ -0,0 +1,107 @@
+/* Load a shared object at run time.
+ Copyright (C) 1995-2016 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 <dlfcn.h>
+#include <errno.h>
+#include <libintl.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <ldsodefs.h>
+
+#if !defined SHARED && IS_IN (libdl)
+
+void *
+dlmopen (Lmid_t nsid, const char *file, int mode)
+{
+ return __dlmopen (nsid, file, mode, RETURN_ADDRESS (0));
+}
+static_link_warning (dlmopen)
+
+#else
+
+struct dlmopen_args
+{
+ /* Namespace ID. */
+ Lmid_t nsid;
+ /* The arguments for dlopen_doit. */
+ const char *file;
+ int mode;
+ /* The return value of dlopen_doit. */
+ void *new;
+ /* Address of the caller. */
+ const void *caller;
+};
+
+static void
+dlmopen_doit (void *a)
+{
+ struct dlmopen_args *args = (struct dlmopen_args *) a;
+
+ /* Non-shared code has no support for multiple namespaces. */
+ if (args->nsid != LM_ID_BASE)
+ {
+# ifdef SHARED
+ /* If trying to open the link map for the main executable the namespace
+ must be the main one. */
+ if (args->file == NULL)
+# endif
+ GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid namespace"));
+
+ /* It makes no sense to use RTLD_GLOBAL when loading a DSO into
+ a namespace other than the base namespace. */
+ if (__glibc_unlikely (args->mode & RTLD_GLOBAL))
+ GLRO(dl_signal_error) (EINVAL, NULL, NULL, N_("invalid mode"));
+ }
+
+ args->new = GLRO(dl_open) (args->file ?: "", args->mode | __RTLD_DLOPEN,
+ args->caller,
+ args->nsid, __dlfcn_argc, __dlfcn_argv,
+ __environ);
+}
+
+
+void *
+__dlmopen (Lmid_t nsid, const char *file, int mode DL_CALLER_DECL)
+{
+# ifdef SHARED
+ if (__glibc_unlikely (_dlfcn_hook != NULL))
+ return _dlfcn_hook->dlmopen (nsid, file, mode, RETURN_ADDRESS (0));
+# endif
+
+ struct dlmopen_args args;
+ args.nsid = nsid;
+ args.file = file;
+ args.mode = mode;
+ args.caller = DL_CALLER;
+
+# ifdef SHARED
+ return _dlerror_run (dlmopen_doit, &args) ? NULL : args.new;
+# else
+ if (_dlerror_run (dlmopen_doit, &args))
+ return NULL;
+
+ __libc_register_dl_open_hook ((struct link_map *) args.new);
+ __libc_register_dlfcn_hook ((struct link_map *) args.new);
+
+ return args.new;
+# endif
+}
+# ifdef SHARED
+strong_alias (__dlmopen, dlmopen)
+# endif
+#endif