libvcruntime APIs available in VBS enclaves

Applies to: ✅ Windows 11 Build 26100.2314 or later ✅ Windows Server 2025 or later

Enclaves are used to create trusted execution environments. These libvcruntime.lib APIs are available to be statically linked into code running in VBS enclaves.

Functions linked from libvcruntime.lib

_get_purecall_handler

_get_unexpected

_set_purecall_handler

_set_se_translator

longjmp

memchr

memcmp

memcpy

memmove

memset

set_unexpected

strchr

strrchr

strstr

unexpected

wcschr

wcsrchr

wcsstr

Internal functions and function macros

These internal functions and function macros that can be linked from libvcruntime.lib are used to implement the CRT. They are not intended to be called directly from your code.

  • __AdjustPointer
  • __BuildCatchObject
  • __BuildCatchObjectHelper
  • __C_specific_handler
  • __C_specific_handler_noexcept
  • _CreateFrameInfo
  • __CxxDetectRethrow
  • __CxxExceptionFilter
  • __CxxFrameHandler
  • __CxxFrameHandler2
  • __CxxFrameHandler3
  • __CxxFrameHandler4
  • __CxxQueryExceptionSize
  • __CxxRegisterExceptionObject
  • _CxxThrowException
  • __CxxUnregisterExceptionObject
  • __DestructExceptionObject
  • _FindAndUnlinkFrame
  • __FrameUnwindFilter
  • __GetPlatformExceptionInfo
  • _IsExceptionObjectToBeDestroyed
  • _is_exception_typeof
  • __NLG_Dispatch2
  • __NLG_Return2
  • __RTCastToVoid
  • __RTtypeid
  • __TypeMatch
  • __current_exception
  • __current_exception_context
  • __intrinsic_setjmp
  • __intrinsic_setjmpex
  • _local_unwind
  • __processing_throw
  • _purecall
  • __report_gsfailure
  • __RTDynamicCast
  • _SetWinRTOutOfMemoryExceptionCallback
  • __std_exception_copy
  • __std_exception_destroy
  • __std_terminate
  • __std_type_info_compare
  • __std_type_info_destroy_list
  • __std_type_info_hash
  • __std_type_info_name
  • __telemetry_main_invoke_trigger
  • __telemetry_main_return_trigger
  • __unDName
  • __unDNameEx
  • __uncaught_exception
  • __uncaught_exceptions
  • __vcrt_GetModuleFileNameW
  • __vcrt_GetModuleHandleW
  • __vcrt_InitializeCriticalSectionEx
  • __vcrt_LoadLibraryExW

See also