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Merge clang 7.0.1 and several follow-up changes
[FreeBSD/FreeBSD.git] / contrib / llvm / lib / ExecutionEngine / RuntimeDyld / Targets / RuntimeDyldELFMips.h
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