[ubsan] Support signal specific options in ubsan

Summary:
Part of https://github.com/google/sanitizers/issues/637

Standalone ubsan needs signal and sigaction handlers and interceptors.
Plugin mode should rely on parent tool.

Reviewers: eugenis, alekseyshl

Subscribers: kubamracek, llvm-commits, mgorny

Differential Revision: https://reviews.llvm.org/D37895

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@314052 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/ubsan/ubsan_init_standalone.cc b/lib/ubsan/ubsan_init_standalone.cc
index 8e999e3ac..8bd500025 100644
--- a/lib/ubsan/ubsan_init_standalone.cc
+++ b/lib/ubsan/ubsan_init_standalone.cc
@@ -18,11 +18,17 @@
 
 #include "sanitizer_common/sanitizer_internal_defs.h"
 #include "ubsan_init.h"
+#include "ubsan_signals_standalone.h"
+
+namespace __ubsan {
 
 class UbsanStandaloneInitializer {
  public:
   UbsanStandaloneInitializer() {
-    __ubsan::InitAsStandalone();
+    InitAsStandalone();
+    InitializeDeadlySignals();
   }
 };
 static UbsanStandaloneInitializer ubsan_standalone_initializer;
+
+} // namespace __ubsan