6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
//===-- EPCEHFrameRegistrar.h - EPC 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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// ExecutorProcessControl based eh-frame registration.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_EPCEHFRAMEREGISTRAR_H
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#define LLVM_EXECUTIONENGINE_ORC_EPCEHFRAMEREGISTRAR_H
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#include "llvm/ExecutionEngine/JITLink/EHFrameSupport.h"
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#include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h"
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namespace llvm {
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namespace orc {
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class ExecutionSession;
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/// Register/Deregisters EH frames in a remote process via a
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/// ExecutorProcessControl instance.
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class EPCEHFrameRegistrar : public jitlink::EHFrameRegistrar {
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public:
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/// Create from a ExecutorProcessControl instance alone. This will use
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/// the EPC's lookupSymbols method to find the registration/deregistration
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/// function addresses by name.
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///
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/// If RegistrationFunctionsDylib is non-None then it will be searched to
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/// find the registration functions. If it is None then the process dylib
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/// will be loaded to find the registration functions.
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static Expected<std::unique_ptr<EPCEHFrameRegistrar>>
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Create(ExecutionSession &ES);
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/// Create a EPCEHFrameRegistrar with the given ExecutorProcessControl
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/// object and registration/deregistration function addresses.
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EPCEHFrameRegistrar(ExecutionSession &ES,
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ExecutorAddr RegisterEHFrameSectionWrapper,
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ExecutorAddr DeregisterEHFRameSectionWrapper)
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: ES(ES), RegisterEHFrameSectionWrapper(RegisterEHFrameSectionWrapper),
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DeregisterEHFrameSectionWrapper(DeregisterEHFRameSectionWrapper) {}
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Error registerEHFrames(ExecutorAddrRange EHFrameSection) override;
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Error deregisterEHFrames(ExecutorAddrRange EHFrameSection) override;
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private:
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ExecutionSession &ES;
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ExecutorAddr RegisterEHFrameSectionWrapper;
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ExecutorAddr DeregisterEHFrameSectionWrapper;
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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_EPCEHFRAMEREGISTRAR_H
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