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  1. //===----- RegisterEHFrames.h -- Register EH frame sections -----*- C++ -*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. //
  9. // Support for dynamically registering and deregistering eh-frame sections
  10. // in-process via libunwind.
  11. //
  12. // FIXME: The functionality in this file should be moved to the ORC runtime.
  13. //
  14. //===----------------------------------------------------------------------===//
  15.  
  16. #ifndef LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
  17. #define LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
  18.  
  19. #include "llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h"
  20. #include "llvm/Support/Error.h"
  21.  
  22. namespace llvm {
  23. namespace orc {
  24.  
  25. /// Register frames in the given eh-frame section with libunwind.
  26. Error registerEHFrameSection(const void *EHFrameSectionAddr,
  27.                              size_t EHFrameSectionSize);
  28.  
  29. /// Unregister frames in the given eh-frame section with libunwind.
  30. Error deregisterEHFrameSection(const void *EHFrameSectionAddr,
  31.                                size_t EHFrameSectionSize);
  32.  
  33. } // end namespace orc
  34. } // end namespace llvm
  35.  
  36. extern "C" llvm::orc::shared::CWrapperFunctionResult
  37. llvm_orc_registerEHFrameSectionWrapper(const char *Data, uint64_t Size);
  38.  
  39. extern "C" llvm::orc::shared::CWrapperFunctionResult
  40. llvm_orc_deregisterEHFrameSectionWrapper(const char *Data, uint64_t Size);
  41.  
  42. #endif // LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
  43.