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-rw-r--r--contrib/gcc/config/host-darwin.c79
1 files changed, 0 insertions, 79 deletions
diff --git a/contrib/gcc/config/host-darwin.c b/contrib/gcc/config/host-darwin.c
deleted file mode 100644
index d8819515476a..000000000000
--- a/contrib/gcc/config/host-darwin.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Darwin host-specific hook definitions.
- Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
-
- This file is part of GCC.
-
- GCC is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
- option) any later version.
-
- GCC 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 General Public
- License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING. If not, write to the
- Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include <sys/mman.h>
-#include "toplev.h"
-#include "config/host-darwin.h"
-
-/* Yes, this is really supposed to work. */
-static char pch_address_space[1024*1024*1024] __attribute__((aligned (4096)));
-
-/* Return the address of the PCH address space, if the PCH will fit in it. */
-
-void *
-darwin_gt_pch_get_address (size_t sz, int fd ATTRIBUTE_UNUSED)
-{
- if (sz <= sizeof (pch_address_space))
- return pch_address_space;
- else
- return NULL;
-}
-
-/* Check ADDR and SZ for validity, and deallocate (using munmap) that part of
- pch_address_space beyond SZ. */
-
-int
-darwin_gt_pch_use_address (void *addr, size_t sz, int fd, size_t off)
-{
- const size_t pagesize = getpagesize();
- void *mmap_result;
- int ret;
-
- gcc_assert ((size_t)pch_address_space % pagesize == 0
- && sizeof (pch_address_space) % pagesize == 0);
-
- ret = (addr == pch_address_space && sz <= sizeof (pch_address_space));
- if (! ret)
- sz = 0;
-
- /* Round the size to a whole page size. Normally this is a no-op. */
- sz = (sz + pagesize - 1) / pagesize * pagesize;
-
- if (munmap (pch_address_space + sz, sizeof (pch_address_space) - sz) != 0)
- fatal_error ("couldn't unmap pch_address_space: %m");
-
- if (ret)
- {
- mmap_result = mmap (addr, sz,
- PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED,
- fd, off);
-
- /* The file might not be mmap-able. */
- ret = mmap_result != (void *) MAP_FAILED;
-
- /* Sanity check for broken MAP_FIXED. */
- gcc_assert (!ret || mmap_result == addr);
- }
-
- return ret;
-}