llvm/lib/ExecutionEngine/RuntimeDyld/Targets/RuntimeDyldELFMips.h

   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