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
16namespace llvm {
17
18class RuntimeDyldELFMips : public RuntimeDyldELF {
19public:
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
29protected:
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
39private:
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