Orc/TargetProcess/RegisterEHFrames.h

0001 //===----- RegisterEHFrames.h -- Register EH frame sections -----*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // Support for dynamically registering and deregistering eh-frame sections
0010 // in-process via libunwind.
0011 //
0012 // FIXME: The functionality in this file should be moved to the ORC runtime.
0013 //
0014 //===----------------------------------------------------------------------===//
0015
0016 #ifndef LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
0017 #define LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
0018
0019 #include "llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h"
0020 #include "llvm/Support/Compiler.h"
0021 #include "llvm/Support/Error.h"
0022
0023 namespace llvm {
0024 namespace orc {
0025
0026 /// Register frames in the given eh-frame section with libunwind.
0027 Error registerEHFrameSection(const void *EHFrameSectionAddr,
0028                              size_t EHFrameSectionSize);
0029
0030 /// Unregister frames in the given eh-frame section with libunwind.
0031 Error deregisterEHFrameSection(const void *EHFrameSectionAddr,
0032                                size_t EHFrameSectionSize);
0033
0034 } // end namespace orc
0035 } // end namespace llvm
0036
0037 extern "C" LLVM_ABI llvm::orc::shared::CWrapperFunctionResult
0038 llvm_orc_registerEHFrameSectionWrapper(const char *Data, uint64_t Size);
0039
0040 extern "C" LLVM_ABI llvm::orc::shared::CWrapperFunctionResult
0041 llvm_orc_deregisterEHFrameSectionWrapper(const char *Data, uint64_t Size);
0042
0043 #endif // LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H