Register Asm backend. Add functions to MipsAsmBackend.
Patch by Reed Kotler at Mips Technologies.
llvm-svn: 140886
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index f84fdb6..f190ec4 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -33,6 +33,44 @@
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 @@
}
};
}
+
+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());
+}