[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/i386/i686/stack-aliasing.h b/ap/libc/glibc/glibc-2.23/sysdeps/i386/i686/stack-aliasing.h
new file mode 100644
index 0000000..cbe276d
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/i386/i686/stack-aliasing.h
@@ -0,0 +1,28 @@
+/* Define macros for stack address aliasing issues for NPTL. i686 version.
+ Copyright (C) 2014-2016 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/>. */
+
+/* It turns out that stack coloring is in general not good on P4s. Some
+ applications will benefit. We will probably have a configuration option
+ at some point. To enable coloring, set this to 128. */
+#define COLORING_INCREMENT 0
+
+/* What is useful is to avoid the 64k aliasing problem which reliably
+ happens if all stacks use sizes which are a multiple of 64k. Tell
+ the stack allocator to disturb this by allocation one more page if
+ necessary. */
+#define MULTI_PAGE_ALIASING 65536