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authorDavid Holsgrove <david.holsgrove@xilinx.com>2014-02-17 11:08:21 +1000
committerDavid Holsgrove <david.holsgrove@xilinx.com>2014-02-17 11:08:21 +1000
commitef114eafbff80525d079d7d6fadd69a58eb8dcc3 (patch)
treee643e00a609e9a6cda5ae90e2eb499cb992dd91b /sysdeps/microblaze/libc-tls.c
parentab7ac0f2cf8731fe4c3f3aea6088a7c0127b5725 (diff)
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[MicroBlaze]: Move MicroBlaze from ports to sysdeps.
2014-02-17  David Holsgrove <david.holsgrove@xilinx.com>

        * sysdeps/microblaze: Move directory from ports/sysdeps/microblaze.
        * sysdeps/unix/sysv/linux/microblaze: Move directory from
          ports/sysdeps/unix/sysv/linux/microblaze.
        * README: Add missing listing for microblaze*-*-linux-gnu.

Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
Diffstat (limited to 'sysdeps/microblaze/libc-tls.c')
-rw-r--r--sysdeps/microblaze/libc-tls.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/microblaze/libc-tls.c b/sysdeps/microblaze/libc-tls.c
new file mode 100644
index 0000000000..81cdad8470
--- /dev/null
+++ b/sysdeps/microblaze/libc-tls.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2005-2014 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 <csu/libc-tls.c>
+#include <dl-tls.h>
+
+/* On Microblaze, linker optimizations are not required, so __tls_get_addr
+   can be called even in statically linked binaries.  In this case module
+   must be always 1 and PT_TLS segment exist in the binary, otherwise it
+   would not link.  */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+  dtv_t *dtv = THREAD_DTV ();
+  return (char *) dtv[1].pointer.val + ti->ti_offset;
+}