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-rw-r--r--lib/scudo/standalone/flags.cpp57
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/scudo/standalone/flags.cpp b/lib/scudo/standalone/flags.cpp
new file mode 100644
index 000000000000..1e970ae49505
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+++ b/lib/scudo/standalone/flags.cpp
@@ -0,0 +1,57 @@
+//===-- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "flags.h"
+#include "common.h"
+#include "flags_parser.h"
+#include "interface.h"
+
+namespace scudo {
+
+Flags *getFlags() {
+ static Flags F;
+ return &F;
+}
+
+void Flags::setDefaults() {
+#define SCUDO_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
+#include "flags.inc"
+#undef SCUDO_FLAG
+}
+
+void registerFlags(FlagParser *Parser, Flags *F) {
+#define SCUDO_FLAG(Type, Name, DefaultValue, Description) \
+ Parser->registerFlag(#Name, Description, FlagType::FT_##Type, \
+ reinterpret_cast<void *>(&F->Name));
+#include "flags.inc"
+#undef SCUDO_FLAG
+}
+
+static const char *getCompileDefinitionScudoDefaultOptions() {
+#ifdef SCUDO_DEFAULT_OPTIONS
+ return STRINGIFY(SCUDO_DEFAULT_OPTIONS);
+#else
+ return "";
+#endif
+}
+
+static const char *getScudoDefaultOptions() {
+ return (&__scudo_default_options) ? __scudo_default_options() : "";
+}
+
+void initFlags() {
+ Flags *F = getFlags();
+ F->setDefaults();
+ FlagParser Parser;
+ registerFlags(&Parser, F);
+ Parser.parseString(getCompileDefinitionScudoDefaultOptions());
+ Parser.parseString(getScudoDefaultOptions());
+ Parser.parseString(getEnv("SCUDO_OPTIONS"));
+}
+
+} // namespace scudo