1 | //===---- MachO_arm64.h - JIT link functions for MachO/arm64 ----*- 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 MachO/arm64. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_EXECUTIONENGINE_JITLINK_MACHO_ARM64_H |
14 | #define LLVM_EXECUTIONENGINE_JITLINK_MACHO_ARM64_H |
15 | |
16 | #include "llvm/ExecutionEngine/JITLink/JITLink.h" |
17 | |
18 | namespace llvm { |
19 | namespace jitlink { |
20 | |
21 | namespace MachO_arm64_Edges { |
22 | |
23 | enum MachOARM64RelocationKind : Edge::Kind { |
24 | Branch26 = Edge::FirstRelocation, |
25 | Pointer32, |
26 | Pointer64, |
27 | Pointer64Anon, |
28 | Page21, |
29 | PageOffset12, |
30 | GOTPage21, |
31 | GOTPageOffset12, |
32 | PointerToGOT, |
33 | PairedAddend, |
34 | LDRLiteral19, |
35 | Delta32, |
36 | Delta64, |
37 | NegDelta32, |
38 | NegDelta64, |
39 | }; |
40 | |
41 | } // namespace MachO_arm64_Edges |
42 | |
43 | /// Create a LinkGraph from a MachO/arm64 relocatable object. |
44 | /// |
45 | /// Note: The graph does not take ownership of the underlying buffer, nor copy |
46 | /// its contents. The caller is responsible for ensuring that the object buffer |
47 | /// outlives the graph. |
48 | Expected<std::unique_ptr<LinkGraph>> |
49 | createLinkGraphFromMachOObject_arm64(MemoryBufferRef ObjectBuffer); |
50 | |
51 | /// jit-link the given object buffer, which must be a MachO arm64 object file. |
52 | /// |
53 | /// If PrePrunePasses is empty then a default mark-live pass will be inserted |
54 | /// that will mark all exported atoms live. If PrePrunePasses is not empty, the |
55 | /// caller is responsible for including a pass to mark atoms as live. |
56 | /// |
57 | /// If PostPrunePasses is empty then a default GOT-and-stubs insertion pass will |
58 | /// be inserted. If PostPrunePasses is not empty then the caller is responsible |
59 | /// for including a pass to insert GOT and stub edges. |
60 | void link_MachO_arm64(std::unique_ptr<LinkGraph> G, |
61 | std::unique_ptr<JITLinkContext> Ctx); |
62 | |
63 | /// Return the string name of the given MachO arm64 edge kind. |
64 | const char *getMachOARM64RelocationKindName(Edge::Kind R); |
65 | |
66 | } // end namespace jitlink |
67 | } // end namespace llvm |
68 | |
69 | #endif // LLVM_EXECUTIONENGINE_JITLINK_MACHO_ARM64_H |
70 | |