diff options
Diffstat (limited to 'llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp')
-rw-r--r-- | llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp index f84fdb65901..f190ec42c77 100644 --- a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp +++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp @@ -33,6 +33,44 @@ public: unsigned getNumFixupKinds() const { return 1; //tbd } + + /// ApplyFixup - Apply the \arg Value for given \arg Fixup into the provided + /// data fragment, at the offset specified by the fixup and following the + /// fixup kind as appropriate. + void ApplyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize, + uint64_t Value) const { + } + + /// @name Target Relaxation Interfaces + /// @{ + + /// MayNeedRelaxation - Check whether the given instruction may need + /// relaxation. + /// + /// \param Inst - The instruction to test. + bool MayNeedRelaxation(const MCInst &Inst) const { + return false; + } + + /// RelaxInstruction - Relax the instruction in the given fragment to the next + /// wider instruction. + /// + /// \param Inst - The instruction to relax, which may be the same as the + /// output. + /// \parm Res [output] - On return, the relaxed instruction. + void RelaxInstruction(const MCInst &Inst, MCInst &Res) const { + } + + /// @} + + /// WriteNopData - Write an (optimal) nop sequence of Count bytes to the given + /// output. If the target cannot generate such a sequence, it should return an + /// error. + /// + /// \return - True on success. + bool WriteNopData(uint64_t Count, MCObjectWriter *OW) const { + return false; + } }; class MipsEB_AsmBackend : public MipsAsmBackend { @@ -69,3 +107,11 @@ public: } }; } + +MCAsmBackend *llvm::createMipsAsmBackend(const Target &T, StringRef TT) { + Triple TheTriple(TT); + + // just return little endian for now + // + return new MipsEL_AsmBackend(T, Triple(TT).getOS()); +} |