1 files changed, 126 insertions, 0 deletions

diff --git a/contrib/libs/clang16-rt/include/sanitizer/msan_interface.h b/contrib/libs/clang16-rt/include/sanitizer/msan_interface.h
new file mode 100644
index 0000000000..854b12cda3
--- /dev/null
+++ b/contrib/libs/clang16-rt/include/sanitizer/msan_interface.h
@@ -0,0 +1,126 @@
+//===-- msan_interface.h --------------------------------------------------===//
+//
+// 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 MemorySanitizer.
+//
+// Public interface header.
+//===----------------------------------------------------------------------===//
+#ifndef MSAN_INTERFACE_H
+#define MSAN_INTERFACE_H
+
+#include <sanitizer/common_interface_defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  /* Set raw origin for the memory range. */
+  void __msan_set_origin(const volatile void *a, size_t size, uint32_t origin);
+
+  /* Get raw origin for an address. */
+  uint32_t __msan_get_origin(const volatile void *a);
+
+  /* Test that this_id is a descendant of prev_id (or they are simply equal).
+   * "descendant" here means they are part of the same chain, created with
+   * __msan_chain_origin. */
+  int __msan_origin_is_descendant_or_same(uint32_t this_id, uint32_t prev_id);
+
+  /* Returns non-zero if tracking origins. */
+  int __msan_get_track_origins(void);
+
+  /* Returns the origin id of the latest UMR in the calling thread. */
+  uint32_t __msan_get_umr_origin(void);
+
+  /* Make memory region fully initialized (without changing its contents). */
+  void __msan_unpoison(const volatile void *a, size_t size);
+
+  /* Make a null-terminated string fully initialized (without changing its
+     contents). */
+  void __msan_unpoison_string(const volatile char *a);
+
+  /* Make first n parameters of the next function call fully initialized. */
+  void __msan_unpoison_param(size_t n);
+
+  /* Make memory region fully uninitialized (without changing its contents).
+     This is a legacy interface that does not update origin information. Use
+     __msan_allocated_memory() instead. */
+  void __msan_poison(const volatile void *a, size_t size);
+
+  /* Make memory region partially uninitialized (without changing its contents).
+   */
+  void __msan_partial_poison(const volatile void *data, void *shadow,
+                             size_t size);
+
+  /* Returns the offset of the first (at least partially) poisoned byte in the
+     memory range, or -1 if the whole range is good. */
+  intptr_t __msan_test_shadow(const volatile void *x, size_t size);
+
+  /* Checks that memory range is fully initialized, and reports an error if it
+   * is not. */
+  void __msan_check_mem_is_initialized(const volatile void *x, size_t size);
+
+  /* For testing:
+     __msan_set_expect_umr(1);
+     ... some buggy code ...
+     __msan_set_expect_umr(0);
+     The last line will verify that a UMR happened. */
+  void __msan_set_expect_umr(int expect_umr);
+
+  /* Change the value of keep_going flag. Non-zero value means don't terminate
+     program execution when an error is detected. This will not affect error in
+     modules that were compiled without the corresponding compiler flag. */
+  void __msan_set_keep_going(int keep_going);
+
+  /* Print shadow and origin for the memory range to stderr in a human-readable
+     format. */
+  void __msan_print_shadow(const volatile void *x, size_t size);
+
+  /* Print shadow for the memory range to stderr in a minimalistic
+     human-readable format. */
+  void __msan_dump_shadow(const volatile void *x, size_t size);
+
+  /* Returns true if running under a dynamic tool (DynamoRio-based). */
+  int  __msan_has_dynamic_component(void);
+
+  /* Tell MSan about newly allocated memory (ex.: custom allocator).
+     Memory will be marked uninitialized, with origin at the call site. */
+  void __msan_allocated_memory(const volatile void* data, size_t size);
+
+  /* Tell MSan about newly destroyed memory. Mark memory as uninitialized. */
+  void __sanitizer_dtor_callback(const volatile void* data, size_t size);
+  void __sanitizer_dtor_callback_fields(const volatile void *data, size_t size);
+  void __sanitizer_dtor_callback_vptr(const volatile void *data);
+
+  /* This function may be optionally provided by user and should return
+     a string containing Msan runtime options. See msan_flags.h for details. */
+  const char* __msan_default_options(void);
+
+  /* Deprecated. Call __sanitizer_set_death_callback instead. */
+  void __msan_set_death_callback(void (*callback)(void));
+
+  /* Update shadow for the application copy of size bytes from src to dst.
+     Src and dst are application addresses. This function does not copy the
+     actual application memory, it only updates shadow and origin for such
+     copy. Source and destination regions can overlap. */
+  void __msan_copy_shadow(const volatile void *dst, const volatile void *src,
+                          size_t size);
+
+  /* Disables uninitialized memory checks in interceptors. */
+  void __msan_scoped_disable_interceptor_checks(void);
+
+  /* Re-enables uninitialized memory checks in interceptors after a previous
+     call to __msan_scoped_disable_interceptor_checks. */
+  void __msan_scoped_enable_interceptor_checks(void);
+
+  void __msan_start_switch_fiber(const void *bottom, size_t size);
+  void __msan_finish_switch_fiber(const void **bottom_old, size_t *size_old);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif