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-rw-r--r--lib/sanitizer_common/sancov_flags.cpp58
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sancov_flags.cpp b/lib/sanitizer_common/sancov_flags.cpp
new file mode 100644
index 000000000000..ed46e88acdfc
--- /dev/null
+++ b/lib/sanitizer_common/sancov_flags.cpp
@@ -0,0 +1,58 @@
+//===-- sancov_flags.cpp ----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Sanitizer Coverage runtime flags.
+//
+//===----------------------------------------------------------------------===//
+
+#include "sancov_flags.h"
+#include "sanitizer_flag_parser.h"
+#include "sanitizer_platform.h"
+
+SANITIZER_INTERFACE_WEAK_DEF(const char*, __sancov_default_options, void) {
+ return "";
+}
+
+using namespace __sanitizer;
+
+namespace __sancov {
+
+SancovFlags sancov_flags_dont_use_directly; // use via flags();
+
+void SancovFlags::SetDefaults() {
+#define SANCOV_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
+#include "sancov_flags.inc"
+#undef SANCOV_FLAG
+}
+
+static void RegisterSancovFlags(FlagParser *parser, SancovFlags *f) {
+#define SANCOV_FLAG(Type, Name, DefaultValue, Description) \
+ RegisterFlag(parser, #Name, Description, &f->Name);
+#include "sancov_flags.inc"
+#undef SANCOV_FLAG
+}
+
+static const char *MaybeCallSancovDefaultOptions() {
+ return (&__sancov_default_options) ? __sancov_default_options() : "";
+}
+
+void InitializeSancovFlags() {
+ SancovFlags *f = sancov_flags();
+ f->SetDefaults();
+
+ FlagParser parser;
+ RegisterSancovFlags(&parser, f);
+
+ parser.ParseString(MaybeCallSancovDefaultOptions());
+ parser.ParseStringFromEnv("SANCOV_OPTIONS");
+
+ ReportUnrecognizedFlags();
+ if (f->help) parser.PrintFlagDescriptions();
+}
+
+} // namespace __sancov