1 //===----- x86_64.cpp - Generic JITLink x86-64 edge kinds, utilities ------===// 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 // Generic utilities for graphs representing x86-64 objects. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "llvm/ExecutionEngine/JITLink/x86_64.h" 14 15 #define DEBUG_TYPE "jitlink" 16 17 namespace llvm { 18 namespace jitlink { 19 namespace x86_64 { 20 21 const char *getEdgeKindName(Edge::Kind K) { 22 switch (K) { 23 case Pointer64: 24 return "Pointer64"; 25 case Pointer32: 26 return "Pointer32"; 27 case Delta64: 28 return "Delta64"; 29 case Delta32: 30 return "Delta32"; 31 case NegDelta64: 32 return "NegDelta64"; 33 case NegDelta32: 34 return "NegDelta32"; 35 case BranchPCRel32: 36 return "BranchPCRel32"; 37 case BranchPCRel32ToPtrJumpStub: 38 return "BranchPCRel32ToPtrJumpStub"; 39 case BranchPCRel32ToPtrJumpStubRelaxable: 40 return "BranchPCRel32ToPtrJumpStubRelaxable"; 41 case RequestGOTAndTransformToDelta32: 42 return "RequestGOTAndTransformToDelta32"; 43 case PCRel32GOTLoadRelaxable: 44 return "PCRel32GOTLoadRelaxable"; 45 case RequestGOTAndTransformToPCRel32GOTLoadRelaxable: 46 return "RequestGOTAndTransformToPCRel32GOTLoadRelaxable"; 47 case PCRel32TLVPLoadRelaxable: 48 return "PCRel32TLVPLoadRelaxable"; 49 case RequestTLVPAndTransformToPCRel32TLVPLoadRelaxable: 50 return "RequestTLVPAndTransformToPCRel32TLVPLoadRelaxable"; 51 default: 52 return getGenericEdgeKindName(static_cast<Edge::Kind>(K)); 53 } 54 } 55 56 const char NullPointerContent[PointerSize] = {0x00, 0x00, 0x00, 0x00, 57 0x00, 0x00, 0x00, 0x00}; 58 59 const char PointerJumpStubContent[6] = { 60 static_cast<char>(0xFFu), 0x25, 0x00, 0x00, 0x00, 0x00}; 61 62 } // end namespace x86_64 63 } // end namespace jitlink 64 } // end namespace llvm 65