One more change required to build the sanitizers for iOS.

Summary: _Unwind_Backtrace is not available on iOS, so we should ifdef out the posix implementations of BufferedStackTrace::SlowUnwindStack and BufferedStackTrace::SlowUnwindStackWithContext on iOS.

Reviewers: samsonov

Reviewed By: samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10696

llvm-svn: 240586

compiler-rt/lib/sanitizer_common/CMakeLists.txt

@@ -44,7 +44,7 @@ set(SANITIZER_LIBCDEP_SOURCES
   sanitizer_symbolizer_libcdep.cc
   sanitizer_symbolizer_posix_libcdep.cc
   sanitizer_symbolizer_process_libcdep.cc
-  sanitizer_unwind_posix_libcdep.cc)
+  sanitizer_unwind_linux_libcdep.cc)
 
 # Explicitly list all sanitizer_common headers. Not all of these are
 # included in sanitizer_common source files, but we need to depend on

compiler-rt/lib/sanitizer_common/sanitizer_unwind_posix_libcdep.cc → compiler-rt/lib/sanitizer_common/sanitizer_unwind_linux_libcdep.cc

@@ -1,4 +1,4 @@
-//===-- sanitizer_unwind_posix.cc ----------------------------------------===//
+//===-- sanitizer_unwind_linux_libcdep.cc ---------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -8,11 +8,11 @@
 //===----------------------------------------------------------------------===//
 //
 // This file contains the unwind.h-based (aka "slow") stack unwinding routines
-// available to the tools on Linux, Android, FreeBSD and OS X.
+// available to the tools on Linux, Android, and FreeBSD.
 //===----------------------------------------------------------------------===//
 
 #include "sanitizer_platform.h"
-#if SANITIZER_POSIX
+#if SANITIZER_FREEBSD || SANITIZER_LINUX
 #include "sanitizer_common.h"
 #include "sanitizer_stacktrace.h"
 
@@ -155,4 +155,4 @@ void BufferedStackTrace::SlowUnwindStackWithContext(uptr pc, void *context,
 
 }  // namespace __sanitizer
 
-#endif  // SANITIZER_POSIX
+#endif  // SANITIZER_FREEBSD || SANITIZER_LINUX