1 //===- lib/ReaderWriter/ELF/Mips/MipsLinkingContext.h ---------------------===//
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
9 #ifndef LLD_READER_WRITER_ELF_MIPS_MIPS_LINKING_CONTEXT_H
10 #define LLD_READER_WRITER_ELF_MIPS_MIPS_LINKING_CONTEXT_H
12 #include "MipsELFFlagsMerger.h"
13 #include "lld/ReaderWriter/ELFLinkingContext.h"
18 /// \brief Mips internal references.
20 /// \brief Do nothing but mark GOT entry as a global one.
21 LLD_R_MIPS_GLOBAL_GOT = 1024,
22 /// \brief Apply high 16 bits of symbol + addend.
23 LLD_R_MIPS_32_HI16 = 1025,
24 /// \brief The same as R_MIPS_26 but for global symbols.
25 LLD_R_MIPS_GLOBAL_26 = 1026,
26 /// \brief Setup hi 16 bits using the symbol this reference refers to.
27 LLD_R_MIPS_HI16 = 1027,
28 /// \brief Setup low 16 bits using the symbol this reference refers to.
29 LLD_R_MIPS_LO16 = 1028,
30 /// \brief Represents a reference between PLT and dynamic symbol.
31 LLD_R_MIPS_STO_PLT = 1029,
32 /// \brief The same as R_MICROMIPS_26_S1 but for global symbols.
33 LLD_R_MICROMIPS_GLOBAL_26_S1 = 1030,
34 /// \brief Apply high 32+16 bits of symbol + addend.
35 LLD_R_MIPS_64_HI16 = 1031,
38 typedef llvm::object::ELFType<llvm::support::little, 2, false> Mips32ELType;
39 typedef llvm::object::ELFType<llvm::support::little, 2, true> Mips64ELType;
40 typedef llvm::object::ELFType<llvm::support::big, 2, false> Mips32BEType;
41 typedef llvm::object::ELFType<llvm::support::big, 2, true> Mips64BEType;
43 class MipsLinkingContext final : public ELFLinkingContext {
45 static std::unique_ptr<ELFLinkingContext> create(llvm::Triple);
46 MipsLinkingContext(llvm::Triple triple);
48 uint32_t getMergedELFFlags() const;
49 MipsELFFlagsMerger &getELFFlagsMerger();
52 uint64_t getBaseAddress() const override;
53 StringRef entrySymbolName() const override;
54 StringRef getDefaultInterpreter() const override;
55 void addPasses(PassManager &pm) override;
56 bool isRelaOutputFormat() const override { return false; }
57 bool isDynamicRelocation(const Reference &r) const override;
58 bool isCopyRelocation(const Reference &r) const override;
59 bool isPLTRelocation(const Reference &r) const override;
62 MipsELFFlagsMerger _flagsMerger;