| 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 | |