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
18namespace llvm {
19namespace jitlink {
20
21namespace ELF_x86_64_Edges {
22enum 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.
56Expected<std::unique_ptr<LinkGraph>>
57createLinkGraphFromELFObject_x86_64(MemoryBufferRef ObjectBuffer);
58
59/// jit-link the given object buffer, which must be a ELF x86-64 object file.
60void 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.
64const char *getELFX86RelocationKindName(Edge::Kind R);
65} // end namespace jitlink
66} // end namespace llvm
67
68#endif // LLVM_EXECUTIONENGINE_JITLINK_ELF_X86_64_H
69