[llvm-branch-commits] [clang] [compiler-rt] [TySan] A Type Sanitizer (Runtime Library) (PR #76261)

[Florian Mayer via llvm-branch-commits]

================
@@ -0,0 +1,79 @@
+//===-- tysan.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 a part of TypeSanitizer.
+//
+// Private TySan header.
+//===----------------------------------------------------------------------===//
+
+#ifndef TYSAN_H
+#define TYSAN_H
+
+#include "sanitizer_common/sanitizer_internal_defs.h"
+
+using __sanitizer::sptr;
+using __sanitizer::u16;
+using __sanitizer::uptr;
+
+#include "tysan_platform.h"
+
+extern "C" {
+void tysan_set_type_unknown(const void *addr, uptr size);
+void tysan_copy_types(const void *daddr, const void *saddr, uptr size);
+}
+
+namespace __tysan {
+extern bool tysan_inited;
+extern bool tysan_init_is_running;
+
+void InitializeInterceptors();
+
+enum { TYSAN_MEMBER_TD = 1, TYSAN_STRUCT_TD = 2 };
+
+struct tysan_member_type_descriptor {
+  struct tysan_type_descriptor *Base;
+  struct tysan_type_descriptor *Access;
+  uptr Offset;
+};
+
+struct tysan_struct_type_descriptor {
+  uptr MemberCount;
+  struct {
+    struct tysan_type_descriptor *Type;
+    uptr Offset;
+  } Members[1]; // Tail allocated.
+  // char Name[]; // Tail allocated.
----------------
fmayer wrote:

commented out code left?

https://github.com/llvm/llvm-project/pull/76261