[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, 0 insertions, 59 deletions

diff --git a/ports/sysdeps/microblaze/backtrace_linux.c b/ports/sysdeps/microblaze/backtrace_linux.c
deleted file mode 100644
index 309d7ef000..0000000000
--- a/ports/sysdeps/microblaze/backtrace_linux.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/* 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 <stddef.h>
-#include <asm/sigcontext.h>
-#include <linux/signal.h>
-#include <asm-generic/ucontext.h>
-#include <asm/unistd.h>
-
-int
-_identify_sighandler (unsigned long fp, unsigned long pc,
-                      unsigned long *pprev_fp, unsigned long *pprev_pc,
-                      unsigned long *retaddr)
-{
-  unsigned long *tramp = 0;
-  struct ucontext *uc;
-
-  if (*retaddr == 0)
-    {
-      /* Kernel inserts the tramp between the signal handler frame and the
-         caller frame in signal handling.  */
-      tramp = (unsigned long *) pc;
-      tramp += 2;
-      if ((*tramp == (0x31800000 | __NR_rt_sigreturn))
-          && (*(tramp+1) == 0xb9cc0008))
-        {
-          /* Signal handler function argument are:
-             int sig_num, siginfo_t * info, void * ucontext
-             therefore ucontext is the 3rd argument.  */
-          unsigned long ucptr = ((unsigned long) tramp
-                                 - sizeof (struct ucontext));
-          uc = (struct ucontext *) ucptr;
-          *pprev_pc = uc->uc_mcontext.regs.pc;
-          /* Need to record the return address since the return address of the
-             function which causes this signal may not be recorded in the
-             stack.  */
-          *pprev_fp = uc->uc_mcontext.regs.r1;
-          *retaddr = uc->uc_mcontext.regs.r15;
-          /* It is a signal handler.  */
-          return 1;
-        }
-    }
-  return 0;
-}