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