[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>

1 files changed, 52 insertions, 0 deletions

diff --git a/sysdeps/microblaze/sotruss-lib.c b/sysdeps/microblaze/sotruss-lib.c
new file mode 100644
index 0000000000..3d79077065
--- /dev/null
+++ b/sysdeps/microblaze/sotruss-lib.c
@@ -0,0 +1,52 @@
+/* Override generic sotruss-lib.c to define actual functions for MicroBlaze.
+   Copyright (C) 2012-2014 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/>.  */
+
+#define HAVE_ARCH_PLTENTER
+#define HAVE_ARCH_PLTEXIT
+
+#include <elf/sotruss-lib.c>
+
+ElfW(Addr)
+la_microblaze_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
+                            unsigned int ndx __attribute__ ((unused)),
+                            uintptr_t *refcook, uintptr_t *defcook,
+                            La_microblaze_regs *regs, unsigned int *flags,
+                            const char *symname, long int *framesizep)
+{
+  print_enter (refcook, defcook, symname,
+               regs->lr_r0, regs->lr_r1, regs->lr_sp,
+               *flags);
+
+  /* No need to copy anything, we will not need the parameters in any case.  */
+  *framesizep = 0;
+
+  return sym->st_value;
+}
+
+unsigned int
+la_microblaze_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx,
+                           uintptr_t *refcook,
+                           uintptr_t *defcook,
+                           const struct La_microblaze_regs *inregs,
+                           struct La_microblaze_retval *outregs,
+                           const char *symname)
+{
+  print_exit (refcook, defcook, symname, outregs->lrv_r3);
+
+  return 0;
+}