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authorRoland McGrath <roland@hack.frob.com>2015-04-17 09:02:19 -0700
committerRoland McGrath <roland@hack.frob.com>2015-04-17 09:02:19 -0700
commitd1e44df1fa5fefd8a083f6c1e909bbcdc97c6438 (patch)
treea76176eca62c0907dd7f135979312c8e55ad06a5 /sysdeps/nacl/mprotect.c
parentf70925993ada98039250d46c62fb89c168b8f9d6 (diff)
Add arm-nacl port.
Diffstat (limited to 'sysdeps/nacl/mprotect.c')
-rw-r--r--sysdeps/nacl/mprotect.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/nacl/mprotect.c b/sysdeps/nacl/mprotect.c
new file mode 100644
index 0000000000..6fd6a4dc06
--- /dev/null
+++ b/sysdeps/nacl/mprotect.c
@@ -0,0 +1,33 @@
+/* Change memory protections on pages. NaCl version.
+ Copyright (C) 2015 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 <sys/types.h>
+#include <sys/mman.h>
+#include <nacl-interfaces.h>
+
+
+/* Change the memory protection of the region starting at ADDR and
+ extending LEN bytes to PROT. Returns 0 if successful, -1 for errors
+ (and sets errno). */
+
+int
+__mprotect (__ptr_t addr, size_t len, int prot)
+{
+ return NACL_CALL (__nacl_irt_memory.mprotect (addr, len, prot), 0);
+}
+weak_alias (__mprotect, mprotect)