zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/misc/elf/dl-support.c b/ap/build/uClibc/libc/misc/elf/dl-support.c
new file mode 100644
index 0000000..f194692
--- /dev/null
+++ b/ap/build/uClibc/libc/misc/elf/dl-support.c
@@ -0,0 +1,70 @@
+/*
+ * Support for dynamic linking code in static libc.
+ * Copyright (C) 1996-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ *
+ * Partially based on GNU C Library (file: libc/elf/dl-support.c)
+ *
+ * Copyright (C) 2008 STMicroelectronics Ltd.
+ * Author: Carmelo Amoroso <carmelo.amoroso@st.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ *
+ */
+
+#include <link.h>
+#include <elf.h>
+#if defined(USE_TLS) && USE_TLS
+#include <assert.h>
+#include <tls.h>
+#include <ldsodefs.h>
+#include <string.h>
+#endif
+
+#if defined(USE_TLS) && USE_TLS
+
+void (*_dl_init_static_tls) (struct link_map *) = &_dl_nothread_init_static_tls;
+
+#endif
+
+ElfW(Phdr) *_dl_phdr;
+size_t _dl_phnum;
+
+void internal_function _dl_aux_init (ElfW(auxv_t) *av);
+void internal_function _dl_aux_init (ElfW(auxv_t) *av)
+{
+ /* Get the program headers base address from the aux vect */
+ _dl_phdr = (ElfW(Phdr) *) av[AT_PHDR].a_un.a_val;
+
+ /* Get the number of program headers from the aux vect */
+ _dl_phnum = (size_t) av[AT_PHNUM].a_un.a_val;
+}
+
+#if defined(USE_TLS) && USE_TLS
+/* Initialize static TLS area and DTV for current (only) thread.
+ libpthread implementations should provide their own hook
+ to handle all threads. */
+void
+attribute_hidden
+_dl_nothread_init_static_tls (struct link_map *map)
+{
+# if defined(TLS_TCB_AT_TP)
+ void *dest = (char *) THREAD_SELF - map->l_tls_offset;
+# elif defined(TLS_DTV_AT_TP)
+ void *dest = (char *) THREAD_SELF + map->l_tls_offset + TLS_PRE_TCB_SIZE;
+# else
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
+# endif
+
+ /* Fill in the DTV slot so that a later LD/GD access will find it. */
+ dtv_t *dtv = THREAD_DTV ();
+ assert (map->l_tls_modid <= dtv[-1].counter);
+ dtv[map->l_tls_modid].pointer.val = dest;
+ dtv[map->l_tls_modid].pointer.is_static = true;
+
+ /* Initialize the memory. */
+ memset (mempcpy (dest, map->l_tls_initimage, map->l_tls_initimage_size),
+ '\0', map->l_tls_blocksize - map->l_tls_initimage_size);
+}
+
+#endif
+