66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
//===- UnwindInfoRegistrationPlugin.h -- libunwind registration -*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Register eh-frame and compact-unwind sections with libunwind
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_EXECUTIONENGINE_ORC_UNWINDINFOREGISTRATIONPLUGIN_H
|
|
#define LLVM_EXECUTIONENGINE_ORC_UNWINDINFOREGISTRATIONPLUGIN_H
|
|
|
|
#include "llvm/ExecutionEngine/Orc/LinkGraphLinkingLayer.h"
|
|
#include "llvm/Support/Compiler.h"
|
|
|
|
namespace llvm::orc {
|
|
|
|
class LLVM_ABI UnwindInfoRegistrationPlugin
|
|
: public LinkGraphLinkingLayer::Plugin {
|
|
public:
|
|
UnwindInfoRegistrationPlugin(ExecutionSession &ES, ExecutorAddr Register,
|
|
ExecutorAddr Deregister)
|
|
: ES(ES), Register(Register), Deregister(Deregister) {
|
|
DSOBaseName = ES.intern("__jitlink$libunwind_dso_base");
|
|
}
|
|
|
|
static Expected<std::shared_ptr<UnwindInfoRegistrationPlugin>>
|
|
Create(ExecutionSession &ES, ExecutorAddr Register, ExecutorAddr Deregister);
|
|
|
|
static Expected<std::shared_ptr<UnwindInfoRegistrationPlugin>>
|
|
Create(ExecutionSession &ES);
|
|
|
|
void modifyPassConfig(MaterializationResponsibility &MR,
|
|
jitlink::LinkGraph &G,
|
|
jitlink::PassConfiguration &PassConfig) override;
|
|
|
|
Error notifyEmitted(MaterializationResponsibility &MR) override {
|
|
return Error::success();
|
|
}
|
|
|
|
Error notifyFailed(MaterializationResponsibility &MR) override {
|
|
return Error::success();
|
|
}
|
|
|
|
Error notifyRemovingResources(JITDylib &JD, ResourceKey K) override {
|
|
return Error::success();
|
|
}
|
|
|
|
void notifyTransferringResources(JITDylib &JD, ResourceKey DstKey,
|
|
ResourceKey SrcKey) override {}
|
|
|
|
private:
|
|
Error addUnwindInfoRegistrationActions(jitlink::LinkGraph &G);
|
|
|
|
ExecutionSession &ES;
|
|
SymbolStringPtr DSOBaseName;
|
|
ExecutorAddr Register, Deregister;
|
|
};
|
|
|
|
} // namespace llvm::orc
|
|
|
|
#endif // LLVM_EXECUTIONENGINE_ORC_UNWINDINFOREGISTRATIONPLUGIN_H
|