1 //===-- RuntimeDyldELFMips.h ---- ELF/Mips specific code. -------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_TARGETS_RUNTIMEDYLDELFMIPS_H 11 #define LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_TARGETS_RUNTIMEDYLDELFMIPS_H 12 13 #include "../RuntimeDyldELF.h" 14 #include <string> 15 16 #define DEBUG_TYPE "dyld" 17 18 namespace llvm { 19 20 class RuntimeDyldELFMips : public RuntimeDyldELF { 21 public: 22 23 typedef uint64_t TargetPtrT; 24 25 RuntimeDyldELFMips(RuntimeDyld::MemoryManager &MM, 26 JITSymbolResolver &Resolver) 27 : RuntimeDyldELF(MM, Resolver) {} 28 29 void resolveRelocation(const RelocationEntry &RE, uint64_t Value) override; 30 31 protected: 32 void resolveMIPSO32Relocation(const SectionEntry &Section, uint64_t Offset, 33 uint32_t Value, uint32_t Type, int32_t Addend); 34 void resolveMIPSN32Relocation(const SectionEntry &Section, uint64_t Offset, 35 uint64_t Value, uint32_t Type, int64_t Addend, 36 uint64_t SymOffset, SID SectionID); 37 void resolveMIPSN64Relocation(const SectionEntry &Section, uint64_t Offset, 38 uint64_t Value, uint32_t Type, int64_t Addend, 39 uint64_t SymOffset, SID SectionID); 40 41 private: 42 /// A object file specific relocation resolver 43 /// \param RE The relocation to be resolved 44 /// \param Value Target symbol address to apply the relocation action 45 uint64_t evaluateRelocation(const RelocationEntry &RE, uint64_t Value, 46 uint64_t Addend); 47 48 /// A object file specific relocation resolver 49 /// \param RE The relocation to be resolved 50 /// \param Value Target symbol address to apply the relocation action 51 void applyRelocation(const RelocationEntry &RE, uint64_t Value); 52 53 int64_t evaluateMIPS32Relocation(const SectionEntry &Section, uint64_t Offset, 54 uint64_t Value, uint32_t Type); 55 int64_t evaluateMIPS64Relocation(const SectionEntry &Section, 56 uint64_t Offset, uint64_t Value, 57 uint32_t Type, int64_t Addend, 58 uint64_t SymOffset, SID SectionID); 59 60 void applyMIPSRelocation(uint8_t *TargetPtr, int64_t CalculatedValue, 61 uint32_t Type); 62 63 }; 64 } 65 66 #undef DEBUG_TYPE 67 68 #endif 69