diff options
Diffstat (limited to 'llvm/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp | 145 |
1 files changed, 125 insertions, 20 deletions
diff --git a/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp b/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp index ec1309e3c2a..b4db977e361 100644 --- a/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp +++ b/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp @@ -15,6 +15,8 @@ #include "llvm/MC/MCAsmBackend.h" #include "llvm/MC/MCAssembler.h" #include "llvm/MC/MCELFObjectWriter.h" +#include "llvm/MC/MCFixupKindInfo.h" +#include "llvm/Support/TargetRegistry.h" using namespace llvm; using namespace Hexagon; @@ -22,14 +24,132 @@ using namespace Hexagon; namespace { class HexagonAsmBackend : public MCAsmBackend { + uint8_t OSABI; + StringRef CPU; mutable uint64_t relaxedCnt; std::unique_ptr <MCInstrInfo> MCII; std::unique_ptr <MCInst *> RelaxTarget; public: - HexagonAsmBackend(Target const & /*T*/) : - MCII (createHexagonMCInstrInfo()), RelaxTarget(new MCInst *){} + HexagonAsmBackend(Target const &T, uint8_t OSABI, StringRef CPU) : + OSABI(OSABI), MCII (T.createMCInstrInfo()), RelaxTarget(new MCInst *){} + + MCObjectWriter *createObjectWriter(raw_pwrite_stream &OS) const override { + return createHexagonELFObjectWriter(OS, OSABI, CPU); + } - unsigned getNumFixupKinds() const override { return 0; } + unsigned getNumFixupKinds() const override { + return Hexagon::NumTargetFixupKinds; + } + + const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const override { + const static MCFixupKindInfo Infos[Hexagon::NumTargetFixupKinds] = { + // This table *must* be in same the order of fixup_* kinds in + // HexagonFixupKinds.h. + // + // namei offset bits flags + {"fixup_Hexagon_B22_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B15_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B7_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_LO16", 0, 32, 0}, + {"fixup_Hexagon_HI16", 0, 32, 0}, + {"fixup_Hexagon_32", 0, 32, 0}, + {"fixup_Hexagon_16", 0, 32, 0}, + {"fixup_Hexagon_8", 0, 32, 0}, + {"fixup_Hexagon_GPREL16_0", 0, 32, 0}, + {"fixup_Hexagon_GPREL16_1", 0, 32, 0}, + {"fixup_Hexagon_GPREL16_2", 0, 32, 0}, + {"fixup_Hexagon_GPREL16_3", 0, 32, 0}, + {"fixup_Hexagon_HL16", 0, 32, 0}, + {"fixup_Hexagon_B13_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B9_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B32_PCREL_X", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_B22_PCREL_X", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B15_PCREL_X", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B13_PCREL_X", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B9_PCREL_X", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_B7_PCREL_X", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_16_X", 0, 32, 0}, + {"fixup_Hexagon_12_X", 0, 32, 0}, + {"fixup_Hexagon_11_X", 0, 32, 0}, + {"fixup_Hexagon_10_X", 0, 32, 0}, + {"fixup_Hexagon_9_X", 0, 32, 0}, + {"fixup_Hexagon_8_X", 0, 32, 0}, + {"fixup_Hexagon_7_X", 0, 32, 0}, + {"fixup_Hexagon_6_X", 0, 32, 0}, + {"fixup_Hexagon_32_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_COPY", 0, 32, 0}, + {"fixup_Hexagon_GLOB_DAT", 0, 32, 0}, + {"fixup_Hexagon_JMP_SLOT", 0, 32, 0}, + {"fixup_Hexagon_RELATIVE", 0, 32, 0}, + {"fixup_Hexagon_PLT_B22_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_GOTREL_LO16", 0, 32, 0}, + {"fixup_Hexagon_GOTREL_HI16", 0, 32, 0}, + {"fixup_Hexagon_GOTREL_32", 0, 32, 0}, + {"fixup_Hexagon_GOT_LO16", 0, 32, 0}, + {"fixup_Hexagon_GOT_HI16", 0, 32, 0}, + {"fixup_Hexagon_GOT_32", 0, 32, 0}, + {"fixup_Hexagon_GOT_16", 0, 32, 0}, + {"fixup_Hexagon_DTPMOD_32", 0, 32, 0}, + {"fixup_Hexagon_DTPREL_LO16", 0, 32, 0}, + {"fixup_Hexagon_DTPREL_HI16", 0, 32, 0}, + {"fixup_Hexagon_DTPREL_32", 0, 32, 0}, + {"fixup_Hexagon_DTPREL_16", 0, 32, 0}, + {"fixup_Hexagon_GD_PLT_B22_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_LD_PLT_B22_PCREL", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_GD_GOT_LO16", 0, 32, 0}, + {"fixup_Hexagon_GD_GOT_HI16", 0, 32, 0}, + {"fixup_Hexagon_GD_GOT_32", 0, 32, 0}, + {"fixup_Hexagon_GD_GOT_16", 0, 32, 0}, + {"fixup_Hexagon_LD_GOT_LO16", 0, 32, 0}, + {"fixup_Hexagon_LD_GOT_HI16", 0, 32, 0}, + {"fixup_Hexagon_LD_GOT_32", 0, 32, 0}, + {"fixup_Hexagon_LD_GOT_16", 0, 32, 0}, + {"fixup_Hexagon_IE_LO16", 0, 32, 0}, + {"fixup_Hexagon_IE_HI16", 0, 32, 0}, + {"fixup_Hexagon_IE_32", 0, 32, 0}, + {"fixup_Hexagon_IE_16", 0, 32, 0}, + {"fixup_Hexagon_IE_GOT_LO16", 0, 32, 0}, + {"fixup_Hexagon_IE_GOT_HI16", 0, 32, 0}, + {"fixup_Hexagon_IE_GOT_32", 0, 32, 0}, + {"fixup_Hexagon_IE_GOT_16", 0, 32, 0}, + {"fixup_Hexagon_TPREL_LO16", 0, 32, 0}, + {"fixup_Hexagon_TPREL_HI16", 0, 32, 0}, + {"fixup_Hexagon_TPREL_32", 0, 32, 0}, + {"fixup_Hexagon_TPREL_16", 0, 32, 0}, + {"fixup_Hexagon_6_PCREL_X", 0, 32, MCFixupKindInfo::FKF_IsPCRel}, + {"fixup_Hexagon_GOTREL_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_GOTREL_16_X", 0, 32, 0}, + {"fixup_Hexagon_GOTREL_11_X", 0, 32, 0}, + {"fixup_Hexagon_GOT_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_GOT_16_X", 0, 32, 0}, + {"fixup_Hexagon_GOT_11_X", 0, 32, 0}, + {"fixup_Hexagon_DTPREL_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_DTPREL_16_X", 0, 32, 0}, + {"fixup_Hexagon_DTPREL_11_X", 0, 32, 0}, + {"fixup_Hexagon_GD_GOT_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_GD_GOT_16_X", 0, 32, 0}, + {"fixup_Hexagon_GD_GOT_11_X", 0, 32, 0}, + {"fixup_Hexagon_LD_GOT_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_LD_GOT_16_X", 0, 32, 0}, + {"fixup_Hexagon_LD_GOT_11_X", 0, 32, 0}, + {"fixup_Hexagon_IE_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_IE_16_X", 0, 32, 0}, + {"fixup_Hexagon_IE_GOT_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_IE_GOT_16_X", 0, 32, 0}, + {"fixup_Hexagon_IE_GOT_11_X", 0, 32, 0}, + {"fixup_Hexagon_TPREL_32_6_X", 0, 32, 0}, + {"fixup_Hexagon_TPREL_16_X", 0, 32, 0}, + {"fixup_Hexagon_TPREL_11_X", 0, 32, 0}}; + + if (Kind < FirstTargetFixupKind) { + return MCAsmBackend::getFixupKindInfo(Kind); + } + + assert(unsigned(Kind - FirstTargetFixupKind) < getNumFixupKinds() && + "Invalid kind!"); + return Infos[Kind - FirstTargetFixupKind]; + } void applyFixup(MCFixup const & /*Fixup*/, char * /*Data*/, unsigned /*DataSize*/, uint64_t /*Value*/, @@ -164,26 +284,11 @@ public: }; } // end anonymous namespace -namespace { -class ELFHexagonAsmBackend : public HexagonAsmBackend { - uint8_t OSABI; - -public: - ELFHexagonAsmBackend(Target const &T, uint8_t OSABI) - : HexagonAsmBackend(T), OSABI(OSABI) {} - - MCObjectWriter *createObjectWriter(raw_pwrite_stream &OS) const override { - StringRef CPU("HexagonV4"); - return createHexagonELFObjectWriter(OS, OSABI, CPU); - } -}; -} // end anonymous namespace - namespace llvm { MCAsmBackend *createHexagonAsmBackend(Target const &T, MCRegisterInfo const & /*MRI*/, - StringRef TT, StringRef /*CPU*/) { + StringRef TT, StringRef CPU) { uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS()); - return new ELFHexagonAsmBackend(T, OSABI); + return new HexagonAsmBackend(T, OSABI, CPU); } } |
