ydb-oss sync: add clang16-rt/ to additionalPathsToCopy

1 files changed, 112 insertions, 0 deletions

diff --git a/contrib/libs/clang16-rt/lib/dfsan/dfsan.h b/contrib/libs/clang16-rt/lib/dfsan/dfsan.h
new file mode 100644
index 0000000000..29938a08de
--- /dev/null
+++ b/contrib/libs/clang16-rt/lib/dfsan/dfsan.h
@@ -0,0 +1,112 @@
+//===-- dfsan.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 DataFlowSanitizer.
+//
+// Private DFSan header.
+//===----------------------------------------------------------------------===//
+
+#ifndef DFSAN_H
+#define DFSAN_H
+
+#include "sanitizer_common/sanitizer_internal_defs.h"
+
+#include "dfsan_platform.h"
+
+using __sanitizer::u32;
+using __sanitizer::u8;
+using __sanitizer::uptr;
+
+// Copy declarations from public sanitizer/dfsan_interface.h header here.
+typedef u8 dfsan_label;
+typedef u32 dfsan_origin;
+
+extern "C" {
+void dfsan_add_label(dfsan_label label, void *addr, uptr size);
+void dfsan_set_label(dfsan_label label, void *addr, uptr size);
+dfsan_label dfsan_read_label(const void *addr, uptr size);
+dfsan_label dfsan_union(dfsan_label l1, dfsan_label l2);
+// Zero out [offset, offset+size) from __dfsan_arg_tls.
+void dfsan_clear_arg_tls(uptr offset, uptr size);
+// Zero out the TLS storage.
+void dfsan_clear_thread_local_state();
+
+// Set DFSan label and origin TLS of argument for a call.
+// Note that offset may not correspond with argument number.
+// Some arguments (aggregate/array) will use several offsets.
+void dfsan_set_arg_tls(uptr offset, dfsan_label label);
+void dfsan_set_arg_origin_tls(uptr offset, dfsan_origin o);
+
+// Return the origin associated with the first taint byte in the size bytes
+// from the address addr.
+dfsan_origin dfsan_read_origin_of_first_taint(const void *addr, uptr size);
+
+// Set the data within [addr, addr+size) with label and origin.
+void dfsan_set_label_origin(dfsan_label label, dfsan_origin origin, void *addr,
+                            uptr size);
+
+// Copy or move the origins of the len bytes from src to dst.
+void dfsan_mem_origin_transfer(const void *dst, const void *src, uptr len);
+
+// Copy shadow bytes from src to dst.
+// Note this preserves distinct taint labels at specific offsets.
+void dfsan_mem_shadow_transfer(void *dst, const void *src, uptr len);
+}  // extern "C"
+
+template <typename T>
+void dfsan_set_label(dfsan_label label, T &data) {
+  dfsan_set_label(label, (void *)&data, sizeof(T));
+}
+
+namespace __dfsan {
+
+extern bool dfsan_inited;
+extern bool dfsan_init_is_running;
+
+void initialize_interceptors();
+
+inline dfsan_label *shadow_for(void *ptr) {
+  return (dfsan_label *)MEM_TO_SHADOW(ptr);
+}
+
+inline const dfsan_label *shadow_for(const void *ptr) {
+  return shadow_for(const_cast<void *>(ptr));
+}
+
+inline uptr unaligned_origin_for(uptr ptr) { return MEM_TO_ORIGIN(ptr); }
+
+inline dfsan_origin *origin_for(void *ptr) {
+  auto aligned_addr = unaligned_origin_for(reinterpret_cast<uptr>(ptr)) &
+                      ~(sizeof(dfsan_origin) - 1);
+  return reinterpret_cast<dfsan_origin *>(aligned_addr);
+}
+
+inline const dfsan_origin *origin_for(const void *ptr) {
+  return origin_for(const_cast<void *>(ptr));
+}
+
+void dfsan_copy_memory(void *dst, const void *src, uptr size);
+
+void dfsan_allocator_init();
+void dfsan_deallocate(void *ptr);
+
+void *dfsan_malloc(uptr size);
+void *dfsan_calloc(uptr nmemb, uptr size);
+void *dfsan_realloc(void *ptr, uptr size);
+void *dfsan_reallocarray(void *ptr, uptr nmemb, uptr size);
+void *dfsan_valloc(uptr size);
+void *dfsan_pvalloc(uptr size);
+void *dfsan_aligned_alloc(uptr alignment, uptr size);
+void *dfsan_memalign(uptr alignment, uptr size);
+int dfsan_posix_memalign(void **memptr, uptr alignment, uptr size);
+
+void dfsan_init();
+
+}  // namespace __dfsan
+
+#endif  // DFSAN_H