1 files changed, 79 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_mac.h b/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_mac.h
new file mode 100644
index 000000000000..f0a97d098eea
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+++ b/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_mac.h
@@ -0,0 +1,79 @@
+//===-- sanitizer_mac.h -----------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is shared between various sanitizers' runtime libraries and
+// provides definitions for OSX-specific functions.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_APPLE_H
+#define SANITIZER_APPLE_H
+
+#include "sanitizer_common.h"
+#include "sanitizer_platform.h"
+#if SANITIZER_APPLE
+#include "sanitizer_posix.h"
+
+namespace __sanitizer {
+
+struct MemoryMappingLayoutData {
+  int current_image;
+  u32 current_magic;
+  u32 current_filetype;
+  ModuleArch current_arch;
+  u8 current_uuid[kModuleUUIDSize];
+  int current_load_cmd_count;
+  const char *current_load_cmd_addr;
+  bool current_instrumented;
+};
+
+template <typename VersionType>
+struct VersionBase {
+  u16 major;
+  u16 minor;
+
+  VersionBase(u16 major, u16 minor) : major(major), minor(minor) {}
+
+  bool operator==(const VersionType &other) const {
+    return major == other.major && minor == other.minor;
+  }
+  bool operator>=(const VersionType &other) const {
+    return major > other.major ||
+           (major == other.major && minor >= other.minor);
+  }
+  bool operator<(const VersionType &other) const { return !(*this >= other); }
+};
+
+struct MacosVersion : VersionBase<MacosVersion> {
+  MacosVersion(u16 major, u16 minor) : VersionBase(major, minor) {}
+};
+
+struct DarwinKernelVersion : VersionBase<DarwinKernelVersion> {
+  DarwinKernelVersion(u16 major, u16 minor) : VersionBase(major, minor) {}
+};
+
+MacosVersion GetMacosAlignedVersion();
+DarwinKernelVersion GetDarwinKernelVersion();
+
+char **GetEnviron();
+
+void RestrictMemoryToMaxAddress(uptr max_address);
+
+using ThreadEventCallback = void (*)(uptr thread);
+using ThreadCreateEventCallback = void (*)(uptr thread, bool gcd_worker);
+struct ThreadEventCallbacks {
+  ThreadCreateEventCallback create;
+  ThreadEventCallback start;
+  ThreadEventCallback terminate;
+  ThreadEventCallback destroy;
+};
+
+void InstallPthreadIntrospectionHook(const ThreadEventCallbacks &callbacks);
+
+}  // namespace __sanitizer
+
+#endif  // SANITIZER_APPLE
+#endif  // SANITIZER_APPLE_H