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 Branch32ToStub, 25 Pointer32, 26 Pointer64, 27 Pointer64Anon, 28 PCRel32, 29 PCRel64, 30 PCRel32Minus1, 31 PCRel32Minus2, 32 PCRel32Minus4, 33 PCRel32Anon, 34 PCRel32Minus1Anon, 35 PCRel32Minus2Anon, 36 PCRel32Minus4Anon, 37 PCRel32GOTLoad, 38 PCRel32GOT, 39 PCRel64GOT, 40 GOTOFF64, 41 GOT64, 42 PCRel32TLV, 43 Delta32, 44 Delta64, 45 NegDelta32, 46 NegDelta64, 47 }; 48 49 } // end namespace ELF_x86_64_Edges 50 51 /// Create a LinkGraph from an ELF/x86-64 relocatable object. 52 /// 53 /// Note: The graph does not take ownership of the underlying buffer, nor copy 54 /// its contents. The caller is responsible for ensuring that the object buffer 55 /// outlives the graph. 56 Expected<std::unique_ptr<LinkGraph>> 57 createLinkGraphFromELFObject_x86_64(MemoryBufferRef ObjectBuffer); 58 59 /// jit-link the given object buffer, which must be a ELF x86-64 object file. 60 void link_ELF_x86_64(std::unique_ptr<LinkGraph> G, 61 std::unique_ptr<JITLinkContext> Ctx); 62 63 /// Return the string name of the given ELF x86-64 edge kind. 64 const char *getELFX86RelocationKindName(Edge::Kind R); 65 } // end namespace jitlink 66 } // end namespace llvm 67 68 #endif // LLVM_EXECUTIONENGINE_JITLINK_ELF_X86_64_H 69