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 #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