1 files changed, 58 insertions, 0 deletions
diff --git a/lib/esan/esan_flags.cpp b/lib/esan/esan_flags.cpp
new file mode 100644
index 000000000000..3b047e28be22
--- /dev/null
+++ b/lib/esan/esan_flags.cpp
@@ -0,0 +1,58 @@
+//===-- esan_flags.cc -------------------------------------------*- C++ -*-===//
+//
+//                     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 EfficiencySanitizer, a family of performance tuners.
+//
+// Esan flag parsing logic.
+//===----------------------------------------------------------------------===//
+
+#include "esan_flags.h"
+#include "sanitizer_common/sanitizer_common.h"
+#include "sanitizer_common/sanitizer_flag_parser.h"
+#include "sanitizer_common/sanitizer_flags.h"
+
+namespace __esan {
+
+static const char EsanOptsEnv[] = "ESAN_OPTIONS";
+
+Flags EsanFlagsDontUseDirectly;
+
+void Flags::setDefaults() {
+#define ESAN_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
+#include "esan_flags.inc"
+#undef ESAN_FLAG
+}
+
+static void registerEsanFlags(FlagParser *Parser, Flags *F) {
+#define ESAN_FLAG(Type, Name, DefaultValue, Description) \
+  RegisterFlag(Parser, #Name, Description, &F->Name);
+#include "esan_flags.inc"
+#undef ESAN_FLAG
+}
+
+void initializeFlags() {
+  SetCommonFlagsDefaults();
+  Flags *F = getFlags();
+  F->setDefaults();
+
+  FlagParser Parser;
+  registerEsanFlags(&Parser, F);
+  RegisterCommonFlags(&Parser);
+  Parser.ParseString(GetEnv(EsanOptsEnv));
+
+  InitializeCommonFlags();
+  if (Verbosity())
+    ReportUnrecognizedFlags();
+  if (common_flags()->help)
+    Parser.PrintFlagDescriptions();
+
+  __sanitizer_set_report_path(common_flags()->log_path);
+}
+
+} // namespace __esan