Add NetBSD support in asan_stack.h

Summary:
Part of the code inspired by the original work on libsanitizer in GCC 5.4 by Christos Zoulas.

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, kcc, vitalybuka, filcab, fjricci

Reviewed By: vitalybuka

Subscribers: davide, kubamracek, llvm-commits, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D36377

llvm-svn: 310322

diff --git a/compiler-rt/lib/asan/asan_stack.h b/compiler-rt/lib/asan/asan_stack.h
index cc95e0f..324cd3d 100644 (file)
--- a/compiler-rt/lib/asan/asan_stack.h
+++ b/compiler-rt/lib/asan/asan_stack.h
@@ -44,7 +44,8 @@ void GetStackTraceWithPcBpAndContext(BufferedStackTrace *stack, uptr max_depth,
       // On FreeBSD the slow unwinding that leverages _Unwind_Backtrace()
       // yields the call stack of the signal's handler and not of the code
       // that raised the signal (as it does on Linux).
-      if (SANITIZER_FREEBSD && t->isInDeadlySignal()) fast = true;
+      if ((SANITIZER_FREEBSD || SANITIZER_NETBSD) && t->isInDeadlySignal())
+        fast = true;
       uptr stack_top = t->stack_top();
       uptr stack_bottom = t->stack_bottom();
       ScopedUnwinding unwind_scope(t);