From 6a45f9ce82b5eb969fd30ec48ded1e8a6e6a183a Mon Sep 17 00:00:00 2001
From: Kostya Kortchinsky <kostyak@google.com>
Date: Wed, 11 Oct 2017 21:20:04 +0000
Subject: [sanitizer] Move the errno/ENOMEM allocator checks logic to separate
 .cc

Summary:
This is a new attempt at D38706, which had 2 issues.

The first one was that it broke TSan, because `sanitizer_errno.h` was not
directly included in `tsan_mman.cc`. This fixes the include.

The second one was that it broke the nolibc build, because `__errno_location`
couldn't be found. This adds the new .cc to the libcdep list instead of the
base one.

Reviewers: alekseyshl

Reviewed By: alekseyshl

Subscribers: kubamracek, mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D38743

llvm-svn: 315509
---
 .../sanitizer_common/sanitizer_allocator_checks.cc | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 compiler-rt/lib/sanitizer_common/sanitizer_allocator_checks.cc

(limited to 'compiler-rt/lib/sanitizer_common/sanitizer_allocator_checks.cc')

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_allocator_checks.cc b/compiler-rt/lib/sanitizer_common/sanitizer_allocator_checks.cc
new file mode 100644
index 00000000000..dc263dbef5f
--- /dev/null
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_allocator_checks.cc
@@ -0,0 +1,23 @@
+//===-- sanitizer_allocator_checks.cc ---------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Various checks shared between ThreadSanitizer, MemorySanitizer, etc. memory
+// allocators.
+//
+//===----------------------------------------------------------------------===//
+
+#include "sanitizer_errno.h"
+
+namespace __sanitizer {
+
+void SetErrnoToENOMEM() {
+  errno = errno_ENOMEM;
+}
+
+} // namespace __sanitizer
-- 
cgit v1.2.3