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 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
15 #define LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
16 
17 #include "llvm/ExecutionEngine/Orc/Shared/TargetProcessControlTypes.h"
18 #include "llvm/Support/Error.h"
19 #include <vector>
20 
21 namespace llvm {
22 namespace orc {
23 
24 /// Register frames in the given eh-frame section with libunwind.
25 Error registerEHFrameSection(const void *EHFrameSectionAddr,
26                              size_t EHFrameSectionSize);
27 
28 /// Unregister frames in the given eh-frame section with libunwind.
29 Error deregisterEHFrameSection(const void *EHFrameSectionAddr,
30                                size_t EHFrameSectionSize);
31 
32 } // end namespace orc
33 } // end namespace llvm
34 
35 extern "C" llvm::orc::tpctypes::CWrapperFunctionResult
36 llvm_orc_registerEHFrameSectionWrapper(uint8_t *Data, uint64_t Size);
37 
38 extern "C" llvm::orc::tpctypes::CWrapperFunctionResult
39 llvm_orc_deregisterEHFrameSectionWrapper(uint8_t *Data, uint64_t Size);
40 
41 #endif // LLVM_EXECUTIONENGINE_ORC_TARGETPROCESS_REGISTEREHFRAMES_H
42