[compiler-rt] r238995 - [asan] Fix undefined MAP_NORESERVE on FreeBSD.

[Evgeniy Stepanov]

Author: eugenis
Date: Wed Jun  3 19:42:15 2015
New Revision: 238995

URL: http://llvm.org/viewvc/llvm-project?rev=238995&view=rev
Log:
[asan] Fix undefined MAP_NORESERVE on FreeBSD.

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc?rev=238995&r1=238994&r2=238995&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_posix_libcdep.cc Wed Jun  3 19:42:15 2015
@@ -35,6 +35,13 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#if SANITIZER_FREEBSD
+// The MAP_NORESERVE define has been removed in FreeBSD 11.x, and even before
+// that, it was never implemented.  So just define it to zero.
+#undef  MAP_NORESERVE
+#define MAP_NORESERVE 0
+#endif
+
 namespace __sanitizer {
 
 u32 GetUid() {