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 #include <string> 14 15 #define DEBUG_TYPE "dyld" 16 17 namespace llvm { 18 19 class RuntimeDyldELFMips : public RuntimeDyldELF { 20 public: 21 22 typedef uint64_t TargetPtrT; 23 24 RuntimeDyldELFMips(RuntimeDyld::MemoryManager &MM, 25 JITSymbolResolver &Resolver) 26 : RuntimeDyldELF(MM, Resolver) {} 27 28 void resolveRelocation(const RelocationEntry &RE, uint64_t Value) override; 29 30 protected: 31 void resolveMIPSO32Relocation(const SectionEntry &Section, uint64_t Offset, 32 uint32_t Value, uint32_t Type, int32_t Addend); 33 void resolveMIPSN32Relocation(const SectionEntry &Section, uint64_t Offset, 34 uint64_t Value, uint32_t Type, int64_t Addend, 35 uint64_t SymOffset, SID SectionID); 36 void resolveMIPSN64Relocation(const SectionEntry &Section, uint64_t Offset, 37 uint64_t Value, uint32_t Type, int64_t Addend, 38 uint64_t SymOffset, SID SectionID); 39 40 private: 41 /// A object file specific relocation resolver 42 /// \param RE The relocation to be resolved 43 /// \param Value Target symbol address to apply the relocation action 44 uint64_t evaluateRelocation(const RelocationEntry &RE, uint64_t Value, 45 uint64_t Addend); 46 47 /// A object file specific relocation resolver 48 /// \param RE The relocation to be resolved 49 /// \param Value Target symbol address to apply the relocation action 50 void applyRelocation(const RelocationEntry &RE, uint64_t Value); 51 52 int64_t evaluateMIPS32Relocation(const SectionEntry &Section, uint64_t Offset, 53 uint64_t Value, uint32_t Type); 54 int64_t evaluateMIPS64Relocation(const SectionEntry &Section, 55 uint64_t Offset, uint64_t Value, 56 uint32_t Type, int64_t Addend, 57 uint64_t SymOffset, SID SectionID); 58 59 void applyMIPSRelocation(uint8_t *TargetPtr, int64_t CalculatedValue, 60 uint32_t Type); 61 62 }; 63 } 64 65 #undef DEBUG_TYPE 66 67 #endif 68