57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
//===----- EHFrameRegistrationPlugin.h - Register eh-frames -----*- 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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// Register eh-frame sections with a registrar.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_EHFRAMEREGISTRATIONPLUGIN_H
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#define LLVM_EXECUTIONENGINE_ORC_EHFRAMEREGISTRATIONPLUGIN_H
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#include "llvm/ExecutionEngine/Orc/LinkGraphLinkingLayer.h"
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#include "llvm/Support/Compiler.h"
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#include <memory>
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#include <mutex>
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namespace llvm::orc {
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/// Adds AllocationActions to register and deregister eh-frame sections in the
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/// absence of native Platform support.
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class LLVM_ABI EHFrameRegistrationPlugin
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: public LinkGraphLinkingLayer::Plugin {
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public:
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static Expected<std::unique_ptr<EHFrameRegistrationPlugin>>
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Create(ExecutionSession &ES);
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EHFrameRegistrationPlugin(ExecutorAddr RegisterEHFrame,
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ExecutorAddr DeregisterEHFrame)
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: RegisterEHFrame(RegisterEHFrame), DeregisterEHFrame(DeregisterEHFrame) {
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}
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void modifyPassConfig(MaterializationResponsibility &MR,
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jitlink::LinkGraph &G,
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jitlink::PassConfiguration &PassConfig) override;
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Error notifyFailed(MaterializationResponsibility &MR) override {
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return Error::success();
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}
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Error notifyRemovingResources(JITDylib &JD, ResourceKey K) override {
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return Error::success();
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}
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void notifyTransferringResources(JITDylib &JD, ResourceKey DstKey,
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ResourceKey SrcKey) override {}
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private:
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ExecutorAddr RegisterEHFrame;
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ExecutorAddr DeregisterEHFrame;
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};
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} // namespace llvm::orc
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#endif // LLVM_EXECUTIONENGINE_ORC_EHFRAMEREGISTRATIONPLUGIN_H
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