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0001 //===------- ELF.h - Generic JIT link function for ELF ------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // Generic jit-link functions for ELF.
0010 //
0011 //===----------------------------------------------------------------------===//
0012 
0013 #ifndef LLVM_EXECUTIONENGINE_JITLINK_ELF_H
0014 #define LLVM_EXECUTIONENGINE_JITLINK_ELF_H
0015 
0016 #include "llvm/ExecutionEngine/JITLink/JITLink.h"
0017 
0018 namespace llvm {
0019 namespace jitlink {
0020 
0021 /// Create a LinkGraph from an ELF relocatable object.
0022 ///
0023 /// Note: The graph does not take ownership of the underlying buffer, nor copy
0024 /// its contents. The caller is responsible for ensuring that the object buffer
0025 /// outlives the graph.
0026 Expected<std::unique_ptr<LinkGraph>>
0027 createLinkGraphFromELFObject(MemoryBufferRef ObjectBuffer,
0028                              std::shared_ptr<orc::SymbolStringPool> SSP);
0029 
0030 /// Link the given graph.
0031 ///
0032 /// Uses conservative defaults for GOT and stub handling based on the target
0033 /// platform.
0034 void link_ELF(std::unique_ptr<LinkGraph> G,
0035               std::unique_ptr<JITLinkContext> Ctx);
0036 
0037 } // end namespace jitlink
0038 } // end namespace llvm
0039 
0040 #endif // LLVM_EXECUTIONENGINE_JITLINK_ELF_H