1 //===--- ELF_x86_64.h - JIT link functions for ELF/x86-64 ---*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // jit-link functions for ELF/x86-64. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_EXECUTIONENGINE_JITLINK_ELF_X86_64_H 14 #define LLVM_EXECUTIONENGINE_JITLINK_ELF_X86_64_H 15 16 #include "llvm/ExecutionEngine/JITLink/JITLink.h" 17 18 namespace llvm { 19 namespace jitlink { 20 21 namespace ELF_x86_64_Edges { 22 enum ELFX86RelocationKind : Edge::Kind { 23 Branch32 = Edge::FirstRelocation, 24 Pointer32Signed, 25 Pointer64, 26 PCRel32, 27 PCRel32GOTLoad, 28 PCRel32GOTLoadRelaxable, 29 PCRel32REXGOTLoadRelaxable, 30 PCRel32TLV, 31 PCRel64GOT, 32 GOTOFF64, 33 GOT64, 34 Delta64, 35 }; 36 37 } // end namespace ELF_x86_64_Edges 38 39 /// Create a LinkGraph from an ELF/x86-64 relocatable object. 40 /// 41 /// Note: The graph does not take ownership of the underlying buffer, nor copy 42 /// its contents. The caller is responsible for ensuring that the object buffer 43 /// outlives the graph. 44 Expected<std::unique_ptr<LinkGraph>> 45 createLinkGraphFromELFObject_x86_64(MemoryBufferRef ObjectBuffer); 46 47 /// jit-link the given object buffer, which must be a ELF x86-64 object file. 48 void link_ELF_x86_64(std::unique_ptr<LinkGraph> G, 49 std::unique_ptr<JITLinkContext> Ctx); 50 51 /// Return the string name of the given ELF x86-64 edge kind. 52 const char *getELFX86RelocationKindName(Edge::Kind R); 53 } // end namespace jitlink 54 } // end namespace llvm 55 56 #endif // LLVM_EXECUTIONENGINE_JITLINK_ELF_X86_64_H 57