commit 00a195e7c0752ff5d65c9caadfbcc226270ca232
author Sami Tolvanen <samitolvanen@google.com> Thu May 11 15:03:36 2017 -0700
committer Sami Tolvanen <samitolvanen@google.com> Wed Feb 28 15:09:58 2018 -0800
tree 24eab37cb02e630a0ea6b3f52e68e1cfc5f1a2f9
parent b13cf8585df2cc51d594bdcfe46bd9e876501d7e

add support for clang Control Flow Integrity (CFI)

This change adds the CONFIG_CFI_CLANG option, CFI error handling,
and a faster look-up table for cross module CFI checks.

Bug: 67506682
Change-Id: Ic009f0a629b552a0eb16e6d89808c7029e91447d
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

include/linux/compiler-clang.h

diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index fd29945..eeb2331 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -21,4 +21,6 @@
 #define __norecordmcount \
 	__attribute__((__section__(".text..ftrace")))
 #endif
+
+#define __nocfi		__attribute__((no_sanitize("cfi")))
 #endif