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-rw-r--r--sysdeps/mach/readonly-area.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/sysdeps/mach/readonly-area.c b/sysdeps/mach/readonly-area.c
deleted file mode 100644
index c187b06a7b..0000000000
--- a/sysdeps/mach/readonly-area.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Test if a memory region is wholly unwritable.  Mach version.
-   Copyright (C) 2004-2017 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 <stdlib.h>
-#include <stdint.h>
-#include <mach.h>
-
-/* Return 1 if the whole area PTR .. PTR+SIZE is not writable.
-   Return -1 if it is writable.  */
-
-int
-__readonly_area (const char *ptr, size_t size)
-{
-  vm_address_t region_address = (uintptr_t) ptr;
-  vm_size_t region_length = size;
-  vm_prot_t protection;
-  vm_prot_t max_protection;
-  vm_inherit_t inheritance;
-  boolean_t is_shared;
-  mach_port_t object_name;
-  vm_offset_t offset;
-
-  while (__vm_region (__mach_task_self (),
-		      &region_address, &region_length,
-		      &protection, &max_protection, &inheritance, &is_shared,
-		      &object_name, &offset) == KERN_SUCCESS
-	 && region_address <= (uintptr_t) ptr)
-    {
-      region_address += region_length;
-      if (region_address < (uintptr_t) ptr)
-	continue;
-
-      if (protection & VM_PROT_WRITE)
-	return -1;
-
-      if (region_address - (uintptr_t) ptr >= size)
-	break;
-    }
-
-  return 1;
-}