diff options
Diffstat (limited to 'contrib/compiler-rt/lib/tsan/rtl/tsan_preinit.cc')
| -rw-r--r-- | contrib/compiler-rt/lib/tsan/rtl/tsan_preinit.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/tsan/rtl/tsan_preinit.cc b/contrib/compiler-rt/lib/tsan/rtl/tsan_preinit.cc new file mode 100644 index 000000000000..a96618d7dc81 --- /dev/null +++ b/contrib/compiler-rt/lib/tsan/rtl/tsan_preinit.cc @@ -0,0 +1,27 @@ +//===-- tsan_preinit.cc ---------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file is a part of ThreadSanitizer. +// +// Call __tsan_init at the very early stage of process startup. +//===----------------------------------------------------------------------===// + +#include "sanitizer_common/sanitizer_internal_defs.h" +#include "tsan_interface.h" + +#if SANITIZER_CAN_USE_PREINIT_ARRAY + +// The symbol is called __local_tsan_preinit, because it's not intended to be +// exported. +// This code linked into the main executable when -fsanitize=thread is in +// the link flags. It can only use exported interface functions. +__attribute__((section(".preinit_array"), used)) +void (*__local_tsan_preinit)(void) = __tsan_init; + +#endif |