//===----------------------------------------------------------------------===//
#include "HexagonMCTargetDesc.h"
+#include "Hexagon.h"
#include "HexagonMCAsmInfo.h"
+#include "HexagonMCELFStreamer.h"
#include "MCTargetDesc/HexagonInstPrinter.h"
#include "llvm/MC/MCCodeGenInfo.h"
+#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MachineLocation.h"
+#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_REGINFO_MC_DESC
#include "HexagonGenRegisterInfo.inc"
+cl::opt<bool> llvm::HexagonDisableCompound
+ ("mno-compound",
+ cl::desc("Disable looking for compound instructions for Hexagon"));
+
+cl::opt<bool> llvm::HexagonDisableDuplex
+ ("mno-pairing",
+ cl::desc("Disable looking for duplex instructions for Hexagon"));
+
+StringRef HEXAGON_MC::selectHexagonCPU(const Triple &TT, StringRef CPU) {
+ if (CPU.empty())
+ CPU = "hexagonv60";
+ return CPU;
+}
+
MCInstrInfo *llvm::createHexagonMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitHexagonMCInstrInfo(X);
return X;
}
-static MCRegisterInfo *createHexagonMCRegisterInfo(StringRef TT) {
+static MCRegisterInfo *createHexagonMCRegisterInfo(const Triple &TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitHexagonMCRegisterInfo(X, Hexagon::R0);
return X;
}
static MCSubtargetInfo *
-createHexagonMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS) {
- MCSubtargetInfo *X = new MCSubtargetInfo();
- InitHexagonMCSubtargetInfo(X, TT, CPU, FS);
- return X;
+createHexagonMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
+ CPU = HEXAGON_MC::selectHexagonCPU(TT, CPU);
+ return createHexagonMCSubtargetInfoImpl(TT, CPU, FS);
+}
+
+namespace {
+class HexagonTargetAsmStreamer : public HexagonTargetStreamer {
+public:
+ HexagonTargetAsmStreamer(MCStreamer &S,
+ formatted_raw_ostream &, bool,
+ MCInstPrinter &)
+ : HexagonTargetStreamer(S) {}
+ void prettyPrintAsm(MCInstPrinter &InstPrinter, raw_ostream &OS,
+ const MCInst &Inst, const MCSubtargetInfo &STI) override {
+ assert(HexagonMCInstrInfo::isBundle(Inst));
+ assert(HexagonMCInstrInfo::bundleSize(Inst) <= HEXAGON_PACKET_SIZE);
+ std::string Buffer;
+ {
+ raw_string_ostream TempStream(Buffer);
+ InstPrinter.printInst(&Inst, TempStream, "", STI);
+ }
+ StringRef Contents(Buffer);
+ auto PacketBundle = Contents.rsplit('\n');
+ auto HeadTail = PacketBundle.first.split('\n');
+ StringRef Separator = "\n";
+ StringRef Indent = "\t\t";
+ OS << "\t{\n";
+ while (!HeadTail.first.empty()) {
+ StringRef InstTxt;
+ auto Duplex = HeadTail.first.split('\v');
+ if (!Duplex.second.empty()) {
+ OS << Indent << Duplex.first << Separator;
+ InstTxt = Duplex.second;
+ } else if (!HeadTail.first.trim().startswith("immext")) {
+ InstTxt = Duplex.first;
+ }
+ if (!InstTxt.empty())
+ OS << Indent << InstTxt << Separator;
+ HeadTail = HeadTail.second.split('\n');
+ }
+ OS << "\t}" << PacketBundle.second;
+ }
+};
+}
+
+namespace {
+class HexagonTargetELFStreamer : public HexagonTargetStreamer {
+public:
+ MCELFStreamer &getStreamer() {
+ return static_cast<MCELFStreamer &>(Streamer);
+ }
+ HexagonTargetELFStreamer(MCStreamer &S, MCSubtargetInfo const &STI)
+ : HexagonTargetStreamer(S) {
+ auto Bits = STI.getFeatureBits();
+ unsigned Flags;
+ if (Bits.to_ullong() & llvm::Hexagon::ArchV5)
+ Flags = ELF::EF_HEXAGON_MACH_V5;
+ else
+ Flags = ELF::EF_HEXAGON_MACH_V4;
+ getStreamer().getAssembler().setELFHeaderEFlags(Flags);
+ }
+ void EmitCommonSymbolSorted(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment,
+ unsigned AccessSize) override {
+ HexagonMCELFStreamer &HexagonELFStreamer =
+ static_cast<HexagonMCELFStreamer &>(getStreamer());
+ HexagonELFStreamer.HexagonMCEmitCommonSymbol(Symbol, Size, ByteAlignment,
+ AccessSize);
+ }
+ void EmitLocalCommonSymbolSorted(MCSymbol *Symbol, uint64_t Size,
+ unsigned ByteAlignment,
+ unsigned AccessSize) override {
+ HexagonMCELFStreamer &HexagonELFStreamer =
+ static_cast<HexagonMCELFStreamer &>(getStreamer());
+ HexagonELFStreamer.HexagonMCEmitLocalCommonSymbol(
+ Symbol, Size, ByteAlignment, AccessSize);
+ }
+};
}
static MCAsmInfo *createHexagonMCAsmInfo(const MCRegisterInfo &MRI,
- StringRef TT) {
+ const Triple &TT) {
MCAsmInfo *MAI = new HexagonMCAsmInfo(TT);
// VirtualFP = (R30 + #0).
return MAI;
}
-static MCCodeGenInfo *createHexagonMCCodeGenInfo(StringRef TT, Reloc::Model RM,
+static MCCodeGenInfo *createHexagonMCCodeGenInfo(const Triple &TT,
+ Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
- // For the time being, use static relocations, since there's really no
- // support for PIC yet.
- X->InitMCCodeGenInfo(Reloc::Static, CM, OL);
+ if (RM == Reloc::Default)
+ RM = Reloc::Static;
+ X->initMCCodeGenInfo(RM, CM, OL);
return X;
}
-static MCInstPrinter *createHexagonMCInstPrinter(unsigned SyntaxVariant,
+
+static MCInstPrinter *createHexagonMCInstPrinter(const Triple &T,
+ unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
- const MCRegisterInfo &MRI,
- const MCSubtargetInfo &STI) {
- return new HexagonInstPrinter(MAI, MII, MRI);
+ const MCRegisterInfo &MRI) {
+ if (SyntaxVariant == 0)
+ return (new HexagonInstPrinter(MAI, MII, MRI));
+ else
+ return nullptr;
+}
+
+static MCTargetStreamer *createMCAsmTargetStreamer(MCStreamer &S,
+ formatted_raw_ostream &OS,
+ MCInstPrinter *InstPrint,
+ bool IsVerboseAsm) {
+ return new HexagonTargetAsmStreamer(S, OS, IsVerboseAsm, *InstPrint);
+}
+
+static MCStreamer *createMCStreamer(Triple const &T, MCContext &Context,
+ MCAsmBackend &MAB, raw_pwrite_stream &OS,
+ MCCodeEmitter *Emitter, bool RelaxAll) {
+ return createHexagonELFStreamer(Context, MAB, OS, Emitter);
+}
+
+static MCTargetStreamer *
+createHexagonObjectTargetStreamer(MCStreamer &S, MCSubtargetInfo const &STI) {
+ return new HexagonTargetELFStreamer(S, STI);
}
// Force static initialization.
TargetRegistry::RegisterMCCodeEmitter(TheHexagonTarget,
createHexagonMCCodeEmitter);
+ // Register the asm backend
+ TargetRegistry::RegisterMCAsmBackend(TheHexagonTarget,
+ createHexagonAsmBackend);
+
+ // Register the obj streamer
+ TargetRegistry::RegisterELFStreamer(TheHexagonTarget, createMCStreamer);
+
+ // Register the asm streamer
+ TargetRegistry::RegisterAsmTargetStreamer(TheHexagonTarget,
+ createMCAsmTargetStreamer);
+
// Register the MC Inst Printer
TargetRegistry::RegisterMCInstPrinter(TheHexagonTarget,
createHexagonMCInstPrinter);
- // Register the asm backend
- TargetRegistry::RegisterMCAsmBackend(TheHexagonTarget,
- createHexagonAsmBackend);
+ TargetRegistry::RegisterObjectTargetStreamer(
+ TheHexagonTarget, createHexagonObjectTargetStreamer);
}
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