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