vendor/compiler-rt/compiler-rt-r160957

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/tsan/rtl/tsan_flags.cc b/lib/tsan/rtl/tsan_flags.cc
new file mode 100644
index 0000000000000..8f91939db1de7
--- /dev/null
+++ b/lib/tsan/rtl/tsan_flags.cc
@@ -0,0 +1,79 @@
+//===-- tsan_flags.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 (TSan), a race detector.
+//
+//===----------------------------------------------------------------------===//
+
+#include "sanitizer_common/sanitizer_flags.h"
+#include "sanitizer_common/sanitizer_libc.h"
+#include "tsan_flags.h"
+#include "tsan_rtl.h"
+#include "tsan_mman.h"
+
+namespace __tsan {
+
+Flags *flags() {
+  return &CTX()->flags;
+}
+
+// Can be overriden in frontend.
+#ifdef TSAN_EXTERNAL_HOOKS
+void OverrideFlags(Flags *f);
+#else
+void WEAK OverrideFlags(Flags *f) {
+  (void)f;
+}
+#endif
+
+void InitializeFlags(Flags *f, const char *env) {
+  internal_memset(f, 0, sizeof(*f));
+
+  // Default values.
+  f->enable_annotations = true;
+  f->suppress_equal_stacks = true;
+  f->suppress_equal_addresses = true;
+  f->report_thread_leaks = true;
+  f->report_signal_unsafe = true;
+  f->force_seq_cst_atomics = false;
+  f->strip_path_prefix = "";
+  f->suppressions = "";
+  f->exitcode = 66;
+  f->log_fileno = 2;
+  f->atexit_sleep_ms = 1000;
+  f->verbosity = 0;
+  f->profile_memory = "";
+  f->flush_memory_ms = 0;
+  f->stop_on_start = false;
+  f->running_on_valgrind = false;
+  f->use_internal_symbolizer = false;
+
+  // Let a frontend override.
+  OverrideFlags(f);
+
+  // Override from command line.
+  ParseFlag(env, &f->enable_annotations, "enable_annotations");
+  ParseFlag(env, &f->suppress_equal_stacks, "suppress_equal_stacks");
+  ParseFlag(env, &f->suppress_equal_addresses, "suppress_equal_addresses");
+  ParseFlag(env, &f->report_thread_leaks, "report_thread_leaks");
+  ParseFlag(env, &f->report_signal_unsafe, "report_signal_unsafe");
+  ParseFlag(env, &f->force_seq_cst_atomics, "force_seq_cst_atomics");
+  ParseFlag(env, &f->strip_path_prefix, "strip_path_prefix");
+  ParseFlag(env, &f->suppressions, "suppressions");
+  ParseFlag(env, &f->exitcode, "exitcode");
+  ParseFlag(env, &f->log_fileno, "log_fileno");
+  ParseFlag(env, &f->atexit_sleep_ms, "atexit_sleep_ms");
+  ParseFlag(env, &f->verbosity, "verbosity");
+  ParseFlag(env, &f->profile_memory, "profile_memory");
+  ParseFlag(env, &f->flush_memory_ms, "flush_memory_ms");
+  ParseFlag(env, &f->stop_on_start, "stop_on_start");
+  ParseFlag(env, &f->use_internal_symbolizer, "use_internal_symbolizer");
+}
+
+}  // namespace __tsan