[src/trunk]: src/sys/external/bsd/compiler_rt/dist/lib/sanitizer_common Cherr...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6e79c4533a8b
branches:  trunk
changeset: 967894:6e79c4533a8b
user:      kamil <kamil%NetBSD.org@localhost>
date:      Fri Dec 27 00:35:05 2019 +0000

description:
Cherry-pick LLVM upstream patch to fix build of compiler-rt

commit 52b5fe5f45b1908e140e05a4eceaaac7002be768
Author: Kamil Rytarowski <n54%gmx.com@localhost>
Date:   Wed Dec 25 04:05:10 2019 +0100

    [compiler-rt] [netbsd] Define _RTLD_SOURCE to fix build

    The TLS base (LWP private pointer) functions are namespaced and
    hidden i.e. inside the _RTLD_SOURCE namespace.

diffstat:

 sys/external/bsd/compiler_rt/dist/lib/sanitizer_common/sanitizer_linux_libcdep.cc |  4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diffs (14 lines):

diff -r 7efa6a0c7d37 -r 6e79c4533a8b sys/external/bsd/compiler_rt/dist/lib/sanitizer_common/sanitizer_linux_libcdep.cc
--- a/sys/external/bsd/compiler_rt/dist/lib/sanitizer_common/sanitizer_linux_libcdep.cc Fri Dec 27 00:32:16 2019 +0000
+++ b/sys/external/bsd/compiler_rt/dist/lib/sanitizer_common/sanitizer_linux_libcdep.cc Fri Dec 27 00:35:05 2019 +0000
@@ -28,6 +28,10 @@
 #include "sanitizer_placement_new.h"
 #include "sanitizer_procmaps.h"
 
+#if SANITIZER_NETBSD
+#define _RTLD_SOURCE  // Fast LWP private pointer getters in ThreadSelfTlsTcb().
+#endif
+
 #include <dlfcn.h>  // for dlsym()
 #include <link.h>
 #include <pthread.h>