55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
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//===-- TPCEHFrameRegistrar.h - TPC based eh-frame registration -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// TargetProcessControl based eh-frame registration.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_TPCEHFRAMEREGISTRAR_H
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#define LLVM_EXECUTIONENGINE_ORC_TPCEHFRAMEREGISTRAR_H
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#include "llvm/ExecutionEngine/JITLink/EHFrameSupport.h"
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#include "llvm/ExecutionEngine/Orc/TargetProcessControl.h"
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namespace llvm {
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namespace orc {
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/// Register/Deregisters EH frames in a remote process via a
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/// TargetProcessControl instance.
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class TPCEHFrameRegistrar : public jitlink::EHFrameRegistrar {
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public:
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/// Create from a TargetProcessControl instance alone. This will use
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/// the TPC's lookupSymbols method to find the registration/deregistration
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/// funciton addresses by name.
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static Expected<std::unique_ptr<TPCEHFrameRegistrar>>
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Create(TargetProcessControl &TPC);
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/// Create a TPCEHFrameRegistrar with the given TargetProcessControl
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/// object and registration/deregistration function addresses.
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TPCEHFrameRegistrar(TargetProcessControl &TPC,
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JITTargetAddress RegisterEHFrameWrapperFnAddr,
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JITTargetAddress DeregisterEHFRameWrapperFnAddr)
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: TPC(TPC), RegisterEHFrameWrapperFnAddr(RegisterEHFrameWrapperFnAddr),
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DeregisterEHFrameWrapperFnAddr(DeregisterEHFRameWrapperFnAddr) {}
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Error registerEHFrames(JITTargetAddress EHFrameSectionAddr,
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size_t EHFrameSectionSize) override;
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Error deregisterEHFrames(JITTargetAddress EHFrameSectionAddr,
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size_t EHFrameSectionSize) override;
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private:
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TargetProcessControl &TPC;
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JITTargetAddress RegisterEHFrameWrapperFnAddr;
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JITTargetAddress DeregisterEHFrameWrapperFnAddr;
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};
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} // end namespace orc
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} // end namespace llvm
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#endif // LLVM_EXECUTIONENGINE_ORC_TPCEHFRAMEREGISTRAR_H
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