From: Maxim Ostapenko <m.ostapenko@samsung.com>
Date: Mon, 30 Oct 2017 11:09:44 +0000 (+0000)
Subject: asan.c (asan_finish_file): Align asan globals array by shadow granularity.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aa650b641022754c1ee6a58130fe2984d06d9657;p=gcc.git

asan.c (asan_finish_file): Align asan globals array by shadow granularity.

2017-10-30  Maxim Ostapenko  <m.ostapenko@samsung.com>

	* asan.c (asan_finish_file): Align asan globals array by shadow
	granularity.

From-SVN: r254214
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 680033348f1..3e38a8ecc6e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-10-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
+
+	* asan.c (asan_finish_file): Align asan globals array by shadow
+	granularity.
+
 2017-10-30  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/22141
diff --git a/gcc/asan.c b/gcc/asan.c
index 302ac4fcdec..d5128aaad37 100644
--- a/gcc/asan.c
+++ b/gcc/asan.c
@@ -2942,6 +2942,9 @@ asan_finish_file (void)
       TREE_CONSTANT (ctor) = 1;
       TREE_STATIC (ctor) = 1;
       DECL_INITIAL (var) = ctor;
+      SET_DECL_ALIGN (var, MAX (DECL_ALIGN (var),
+				ASAN_SHADOW_GRANULARITY * BITS_PER_UNIT));
+
       varpool_node::finalize_decl (var);
 
       tree fn = builtin_decl_implicit (BUILT_IN_ASAN_REGISTER_GLOBALS);