1 //===-- RuntimeDyldELFMips.h ---- ELF/Mips specific code. -------*- 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 #ifndef LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_TARGETS_RUNTIMEDYLDELFMIPS_H 10 #define LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_TARGETS_RUNTIMEDYLDELFMIPS_H 11 12 #include "../RuntimeDyldELF.h" 13 14 #define DEBUG_TYPE "dyld" 15 16 namespace llvm { 17 18 class RuntimeDyldELFMips : public RuntimeDyldELF { 19 public: 20 21 typedef uint64_t TargetPtrT; 22 23 RuntimeDyldELFMips(RuntimeDyld::MemoryManager &MM, 24 JITSymbolResolver &Resolver) 25 : RuntimeDyldELF(MM, Resolver) {} 26 27 void resolveRelocation(const RelocationEntry &RE, uint64_t Value) override; 28 29 protected: 30 void resolveMIPSO32Relocation(const SectionEntry &Section, uint64_t Offset, 31 uint32_t Value, uint32_t Type, int32_t Addend); 32 void resolveMIPSN32Relocation(const SectionEntry &Section, uint64_t Offset, 33 uint64_t Value, uint32_t Type, int64_t Addend, 34 uint64_t SymOffset, SID SectionID); 35 void resolveMIPSN64Relocation(const SectionEntry &Section, uint64_t Offset, 36 uint64_t Value, uint32_t Type, int64_t Addend, 37 uint64_t SymOffset, SID SectionID); 38 39 private: 40 /// A object file specific relocation resolver 41 /// \param RE The relocation to be resolved 42 /// \param Value Target symbol address to apply the relocation action 43 uint64_t evaluateRelocation(const RelocationEntry &RE, uint64_t Value, 44 uint64_t Addend); 45 46 /// A object file specific relocation resolver 47 /// \param RE The relocation to be resolved 48 /// \param Value Target symbol address to apply the relocation action 49 void applyRelocation(const RelocationEntry &RE, uint64_t Value); 50 51 int64_t evaluateMIPS32Relocation(const SectionEntry &Section, uint64_t Offset, 52 uint64_t Value, uint32_t Type); 53 int64_t evaluateMIPS64Relocation(const SectionEntry &Section, 54 uint64_t Offset, uint64_t Value, 55 uint32_t Type, int64_t Addend, 56 uint64_t SymOffset, SID SectionID); 57 58 void applyMIPSRelocation(uint8_t *TargetPtr, int64_t CalculatedValue, 59 uint32_t Type); 60 61 }; 62 } 63 64 #undef DEBUG_TYPE 65 66 #endif 67