Relocate AArch64 from ports to libc.

This patch moves the AArch64 port to the main sysdeps hierarchy.  The
move is essentially:

  git mv ports/sysdeps/aarch64 sysdeps/aarch64
  git mv ports/sysdeps/unix/sysv/linux/aarch64 sysdeps/unix/sysv/linux/aarch64

The README is updated and I've updated ChangeLog.aarch64 along the
lines of the ARM move.  The AArch64 build has been tested to confirm
that there were no changes in objdump -dr output or the shared
objects.

1 files changed, 0 insertions, 52 deletions

diff --git a/ports/sysdeps/aarch64/dl-irel.h b/ports/sysdeps/aarch64/dl-irel.h
deleted file mode 100644
index 78395caf23..0000000000
--- a/ports/sysdeps/aarch64/dl-irel.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Machine-dependent ELF indirect relocation inline functions.
-   AArch64 version.
-   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/>.  */
-
-#ifndef _DL_IREL_H
-#define _DL_IREL_H
-
-#include <stdio.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-
-#define ELF_MACHINE_IRELA	1
-
-static inline ElfW(Addr)
-__attribute ((always_inline))
-elf_ifunc_invoke (ElfW(Addr) addr)
-{
-  return ((ElfW(Addr) (*) (unsigned long int)) (addr)) (GLRO(dl_hwcap));
-}
-
-static inline void
-__attribute ((always_inline))
-elf_irela (const ElfW(Rela) *reloc)
-{
-  ElfW(Addr) *const reloc_addr = (void *) reloc->r_offset;
-  const unsigned long int r_type = ELFW(R_TYPE) (reloc->r_info);
-
-  if (__glibc_likely (r_type == R_AARCH64_IRELATIVE))
-    {
-      ElfW(Addr) value = elf_ifunc_invoke (reloc->r_addend);
-      *reloc_addr = value;
-    }
-  else
-    __libc_fatal ("unexpected reloc type in static binary");
-}
-
-#endif