contrib/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/TargetProcess/RegisterEHFrames.h

   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