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-rw-r--r--lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp41
-rw-r--r--lib/Target/Mips/MCTargetDesc/MipsBaseInfo.h30
-rw-r--r--lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp129
-rw-r--r--lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h2
-rw-r--r--lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp128
-rw-r--r--lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp56
-rw-r--r--lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h9
7 files changed, 294 insertions, 101 deletions
diff --git a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index 9d5a2f1..9b4caf6 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -14,19 +14,13 @@
#include "MipsFixupKinds.h"
#include "MCTargetDesc/MipsMCTargetDesc.h"
-#include "llvm/ADT/Twine.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCDirectives.h"
#include "llvm/MC/MCELFObjectWriter.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCMachObjectWriter.h"
+#include "llvm/MC/MCFixupKindInfo.h"
#include "llvm/MC/MCObjectWriter.h"
-#include "llvm/MC/MCSectionELF.h"
-#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/Object/MachOFormat.h"
-#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
@@ -61,7 +55,7 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
case Mips::fixup_Mips_HI16:
case Mips::fixup_Mips_GOT_Local:
// Get the higher 16-bits. Also add 1 if bit 15 is 1.
- Value = (Value >> 16) + ((Value & 0x8000) != 0);
+ Value = ((Value + 0x8000) >> 16) & 0xffff;
break;
}
@@ -72,13 +66,15 @@ namespace {
class MipsAsmBackend : public MCAsmBackend {
Triple::OSType OSType;
bool IsLittle; // Big or little endian
+ bool Is64Bit; // 32 or 64 bit words
public:
- MipsAsmBackend(const Target &T, Triple::OSType _OSType, bool _isLittle) :
- MCAsmBackend(), OSType(_OSType), IsLittle(_isLittle) {}
+ MipsAsmBackend(const Target &T, Triple::OSType _OSType,
+ bool _isLittle, bool _is64Bit)
+ :MCAsmBackend(), OSType(_OSType), IsLittle(_isLittle), Is64Bit(_is64Bit) {}
MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
- return createMipsELFObjectWriter(OS, OSType, IsLittle);
+ return createMipsELFObjectWriter(OS, OSType, IsLittle, Is64Bit);
}
/// ApplyFixup - Apply the \arg Value for given \arg Fixup into the provided
@@ -120,7 +116,7 @@ public:
}
uint64_t Mask = ((uint64_t)(-1) >> (64 - getFixupKindInfo(Kind).TargetSize));
- CurVal = (CurVal & ~Mask) | ((CurVal + Value) & Mask);
+ CurVal |= Value & Mask;
// Write out the fixed up bytes back to the code/data bits.
for (unsigned i = 0; i != NumBytes; ++i) {
@@ -212,17 +208,28 @@ public:
bool writeNopData(uint64_t Count, MCObjectWriter *OW) const {
return true;
}
-};
+}; // class MipsAsmBackend
} // namespace
// MCAsmBackend
-MCAsmBackend *llvm::createMipsAsmBackendEL(const Target &T, StringRef TT) {
+MCAsmBackend *llvm::createMipsAsmBackendEL32(const Target &T, StringRef TT) {
return new MipsAsmBackend(T, Triple(TT).getOS(),
- /*IsLittle*/true);
+ /*IsLittle*/true, /*Is64Bit*/false);
}
-MCAsmBackend *llvm::createMipsAsmBackendEB(const Target &T, StringRef TT) {
+MCAsmBackend *llvm::createMipsAsmBackendEB32(const Target &T, StringRef TT) {
return new MipsAsmBackend(T, Triple(TT).getOS(),
- /*IsLittle*/false);
+ /*IsLittle*/false, /*Is64Bit*/false);
}
+
+MCAsmBackend *llvm::createMipsAsmBackendEL64(const Target &T, StringRef TT) {
+ return new MipsAsmBackend(T, Triple(TT).getOS(),
+ /*IsLittle*/true, /*Is64Bit*/true);
+}
+
+MCAsmBackend *llvm::createMipsAsmBackendEB64(const Target &T, StringRef TT) {
+ return new MipsAsmBackend(T, Triple(TT).getOS(),
+ /*IsLittle*/false, /*Is64Bit*/true);
+}
+
diff --git a/lib/Target/Mips/MCTargetDesc/MipsBaseInfo.h b/lib/Target/Mips/MCTargetDesc/MipsBaseInfo.h
index 34e3a6e..fb1c5ce 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsBaseInfo.h
+++ b/lib/Target/Mips/MCTargetDesc/MipsBaseInfo.h
@@ -14,7 +14,9 @@
#ifndef MIPSBASEINFO_H
#define MIPSBASEINFO_H
+#include "MipsFixupKinds.h"
#include "MipsMCTargetDesc.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/ErrorHandling.h"
@@ -198,6 +200,34 @@ inline static unsigned getMipsRegisterNumbering(unsigned RegEnum)
default: llvm_unreachable("Unknown register number!");
}
}
+
+inline static std::pair<const MCSymbolRefExpr*, int64_t>
+MipsGetSymAndOffset(const MCFixup &Fixup) {
+ MCFixupKind FixupKind = Fixup.getKind();
+
+ if ((FixupKind < FirstTargetFixupKind) ||
+ (FixupKind >= MCFixupKind(Mips::LastTargetFixupKind)))
+ return std::make_pair((const MCSymbolRefExpr*)0, (int64_t)0);
+
+ const MCExpr *Expr = Fixup.getValue();
+ MCExpr::ExprKind Kind = Expr->getKind();
+
+ if (Kind == MCExpr::Binary) {
+ const MCBinaryExpr *BE = static_cast<const MCBinaryExpr*>(Expr);
+ const MCExpr *LHS = BE->getLHS();
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(BE->getRHS());
+
+ if ((LHS->getKind() != MCExpr::SymbolRef) || !CE)
+ return std::make_pair((const MCSymbolRefExpr*)0, (int64_t)0);
+
+ return std::make_pair(cast<MCSymbolRefExpr>(LHS), CE->getValue());
+ }
+
+ if (Kind != MCExpr::SymbolRef)
+ return std::make_pair((const MCSymbolRefExpr*)0, (int64_t)0);
+
+ return std::make_pair(cast<MCSymbolRefExpr>(Expr), 0);
+}
}
#endif
diff --git a/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp b/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
index 076a6a8..2091bec 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
@@ -7,20 +7,34 @@
//
//===----------------------------------------------------------------------===//
+#include "MCTargetDesc/MipsBaseInfo.h"
#include "MCTargetDesc/MipsFixupKinds.h"
#include "MCTargetDesc/MipsMCTargetDesc.h"
+#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCValue.h"
#include "llvm/Support/ErrorHandling.h"
+#include <list>
using namespace llvm;
namespace {
+ struct RelEntry {
+ RelEntry(const ELFRelocationEntry &R, const MCSymbol *S, int64_t O) :
+ Reloc(R), Sym(S), Offset(O) {}
+ ELFRelocationEntry Reloc;
+ const MCSymbol *Sym;
+ int64_t Offset;
+ };
+
+ typedef std::list<RelEntry> RelLs;
+ typedef RelLs::iterator RelLsIter;
+
class MipsELFObjectWriter : public MCELFObjectTargetWriter {
public:
- MipsELFObjectWriter(uint8_t OSABI);
+ MipsELFObjectWriter(bool _is64Bit, uint8_t OSABI);
virtual ~MipsELFObjectWriter();
@@ -33,18 +47,28 @@ namespace {
const MCFragment &F,
const MCFixup &Fixup,
bool IsPCRel) const;
+ virtual void sortRelocs(const MCAssembler &Asm,
+ std::vector<ELFRelocationEntry> &Relocs);
};
}
-MipsELFObjectWriter::MipsELFObjectWriter(uint8_t OSABI)
- : MCELFObjectTargetWriter(/*Is64Bit*/ false, OSABI, ELF::EM_MIPS,
+MipsELFObjectWriter::MipsELFObjectWriter(bool _is64Bit, uint8_t OSABI)
+ : MCELFObjectTargetWriter(_is64Bit, OSABI, ELF::EM_MIPS,
/*HasRelocationAddend*/ false) {}
MipsELFObjectWriter::~MipsELFObjectWriter() {}
-// FIXME: get the real EABI Version from the Triple.
+// FIXME: get the real EABI Version from the Subtarget class.
unsigned MipsELFObjectWriter::getEFlags() const {
- return ELF::EF_MIPS_NOREORDER | ELF::EF_MIPS_ARCH_32R2;
+
+ // FIXME: We can't tell if we are PIC (dynamic) or CPIC (static)
+ unsigned Flag = ELF::EF_MIPS_NOREORDER;
+
+ if (is64Bit())
+ Flag |= ELF::EF_MIPS_ARCH_64R2;
+ else
+ Flag |= ELF::EF_MIPS_ARCH_32R2;
+ return Flag;
}
const MCSymbol *MipsELFObjectWriter::ExplicitRelSym(const MCAssembler &Asm,
@@ -129,8 +153,97 @@ unsigned MipsELFObjectWriter::GetRelocType(const MCValue &Target,
return Type;
}
-MCObjectWriter *llvm::createMipsELFObjectWriter(raw_ostream &OS, uint8_t OSABI,
- bool IsLittleEndian) {
- MCELFObjectTargetWriter *MOTW = new MipsELFObjectWriter(OSABI);
+// Return true if R is either a GOT16 against a local symbol or HI16.
+static bool NeedsMatchingLo(const MCAssembler &Asm, const RelEntry &R) {
+ if (!R.Sym)
+ return false;
+
+ MCSymbolData &SD = Asm.getSymbolData(R.Sym->AliasedSymbol());
+
+ return ((R.Reloc.Type == ELF::R_MIPS_GOT16) && !SD.isExternal()) ||
+ (R.Reloc.Type == ELF::R_MIPS_HI16);
+}
+
+static bool HasMatchingLo(const MCAssembler &Asm, RelLsIter I, RelLsIter Last) {
+ if (I == Last)
+ return false;
+
+ RelLsIter Hi = I++;
+
+ return (I->Reloc.Type == ELF::R_MIPS_LO16) && (Hi->Sym == I->Sym) &&
+ (Hi->Offset == I->Offset);
+}
+
+static bool HasSameSymbol(const RelEntry &R0, const RelEntry &R1) {
+ return R0.Sym == R1.Sym;
+}
+
+static int CompareOffset(const RelEntry &R0, const RelEntry &R1) {
+ return (R0.Offset > R1.Offset) ? 1 : ((R0.Offset == R1.Offset) ? 0 : -1);
+}
+
+void MipsELFObjectWriter::sortRelocs(const MCAssembler &Asm,
+ std::vector<ELFRelocationEntry> &Relocs) {
+ // Call the defualt function first. Relocations are sorted in descending
+ // order of r_offset.
+ MCELFObjectTargetWriter::sortRelocs(Asm, Relocs);
+
+ RelLs RelocLs;
+ std::vector<RelLsIter> Unmatched;
+
+ // Fill RelocLs. Traverse Relocs backwards so that relocations in RelocLs
+ // are in ascending order of r_offset.
+ for (std::vector<ELFRelocationEntry>::reverse_iterator R = Relocs.rbegin();
+ R != Relocs.rend(); ++R) {
+ std::pair<const MCSymbolRefExpr*, int64_t> P =
+ MipsGetSymAndOffset(*R->Fixup);
+ RelocLs.push_back(RelEntry(*R, P.first ? &P.first->getSymbol() : 0,
+ P.second));
+ }
+
+ // Get list of unmatched HI16 and GOT16.
+ for (RelLsIter R = RelocLs.begin(); R != RelocLs.end(); ++R)
+ if (NeedsMatchingLo(Asm, *R) && !HasMatchingLo(Asm, R, --RelocLs.end()))
+ Unmatched.push_back(R);
+
+ // Insert unmatched HI16 and GOT16 immediately before their matching LO16.
+ for (std::vector<RelLsIter>::iterator U = Unmatched.begin();
+ U != Unmatched.end(); ++U) {
+ RelLsIter LoPos = RelocLs.end(), HiPos = *U;
+ bool MatchedLo = false;
+
+ for (RelLsIter R = RelocLs.begin(); R != RelocLs.end(); ++R) {
+ if ((R->Reloc.Type == ELF::R_MIPS_LO16) && HasSameSymbol(*HiPos, *R) &&
+ (CompareOffset(*R, *HiPos) >= 0) &&
+ ((LoPos == RelocLs.end()) || ((CompareOffset(*R, *LoPos) < 0)) ||
+ (!MatchedLo && !CompareOffset(*R, *LoPos))))
+ LoPos = R;
+
+ MatchedLo = NeedsMatchingLo(Asm, *R) &&
+ HasMatchingLo(Asm, R, --RelocLs.end());
+ }
+
+ // If a matching LoPos was found, move HiPos and insert it before LoPos.
+ // Make the offsets of HiPos and LoPos match.
+ if (LoPos != RelocLs.end()) {
+ HiPos->Offset = LoPos->Offset;
+ RelocLs.insert(LoPos, *HiPos);
+ RelocLs.erase(HiPos);
+ }
+ }
+
+ // Put the sorted list back in reverse order.
+ assert(Relocs.size() == RelocLs.size());
+ unsigned I = RelocLs.size();
+
+ for (RelLsIter R = RelocLs.begin(); R != RelocLs.end(); ++R)
+ Relocs[--I] = R->Reloc;
+}
+
+MCObjectWriter *llvm::createMipsELFObjectWriter(raw_ostream &OS,
+ uint8_t OSABI,
+ bool IsLittleEndian,
+ bool Is64Bit) {
+ MCELFObjectTargetWriter *MOTW = new MipsELFObjectWriter(Is64Bit, OSABI);
return createELFObjectWriter(MOTW, OS, IsLittleEndian);
}
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h
index ef4c6e2..e1d8789 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.h
@@ -14,10 +14,10 @@
#ifndef MIPSTARGETASMINFO_H
#define MIPSTARGETASMINFO_H
-#include "llvm/ADT/StringRef.h"
#include "llvm/MC/MCAsmInfo.h"
namespace llvm {
+ class StringRef;
class Target;
class MipsMCAsmInfo : public MCAsmInfo {
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
index 9ebb6d2..27954b1 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
@@ -179,73 +179,71 @@ getMachineOpValue(const MCInst &MI, const MCOperand &MO,
} else if (MO.isFPImm()) {
return static_cast<unsigned>(APFloat(MO.getFPImm())
.bitcastToAPInt().getHiBits(32).getLimitedValue());
- } else if (MO.isExpr()) {
- const MCExpr *Expr = MO.getExpr();
- MCExpr::ExprKind Kind = Expr->getKind();
- unsigned Ret = 0;
-
- if (Kind == MCExpr::Binary) {
- const MCBinaryExpr *BE = static_cast<const MCBinaryExpr*>(Expr);
- Expr = BE->getLHS();
- Kind = Expr->getKind();
- const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(BE->getRHS());
- assert((Kind == MCExpr::SymbolRef) && CE &&
- "Binary expression must be sym+const.");
- Ret = CE->getValue();
- }
+ }
+
+ // MO must be an Expr.
+ assert(MO.isExpr());
+
+ const MCExpr *Expr = MO.getExpr();
+ MCExpr::ExprKind Kind = Expr->getKind();
- if (Kind == MCExpr::SymbolRef) {
- Mips::Fixups FixupKind;
-
- switch(cast<MCSymbolRefExpr>(Expr)->getKind()) {
- case MCSymbolRefExpr::VK_Mips_GPREL:
- FixupKind = Mips::fixup_Mips_GPREL16;
- break;
- case MCSymbolRefExpr::VK_Mips_GOT_CALL:
- FixupKind = Mips::fixup_Mips_CALL16;
- break;
- case MCSymbolRefExpr::VK_Mips_GOT16:
- FixupKind = Mips::fixup_Mips_GOT_Global;
- break;
- case MCSymbolRefExpr::VK_Mips_GOT:
- FixupKind = Mips::fixup_Mips_GOT_Local;
- break;
- case MCSymbolRefExpr::VK_Mips_ABS_HI:
- FixupKind = Mips::fixup_Mips_HI16;
- break;
- case MCSymbolRefExpr::VK_Mips_ABS_LO:
- FixupKind = Mips::fixup_Mips_LO16;
- break;
- case MCSymbolRefExpr::VK_Mips_TLSGD:
- FixupKind = Mips::fixup_Mips_TLSGD;
- break;
- case MCSymbolRefExpr::VK_Mips_TLSLDM:
- FixupKind = Mips::fixup_Mips_TLSLDM;
- break;
- case MCSymbolRefExpr::VK_Mips_DTPREL_HI:
- FixupKind = Mips::fixup_Mips_DTPREL_HI;
- break;
- case MCSymbolRefExpr::VK_Mips_DTPREL_LO:
- FixupKind = Mips::fixup_Mips_DTPREL_LO;
- break;
- case MCSymbolRefExpr::VK_Mips_GOTTPREL:
- FixupKind = Mips::fixup_Mips_GOTTPREL;
- break;
- case MCSymbolRefExpr::VK_Mips_TPREL_HI:
- FixupKind = Mips::fixup_Mips_TPREL_HI;
- break;
- case MCSymbolRefExpr::VK_Mips_TPREL_LO:
- FixupKind = Mips::fixup_Mips_TPREL_LO;
- break;
- default:
- return Ret;
- } // switch
- Fixups.push_back(MCFixup::Create(0, Expr, MCFixupKind(FixupKind)));
- } // if SymbolRef
- // All of the information is in the fixup.
- return Ret;
+ if (Kind == MCExpr::Binary) {
+ Expr = static_cast<const MCBinaryExpr*>(Expr)->getLHS();
+ Kind = Expr->getKind();
}
- llvm_unreachable("Unable to encode MCOperand!");
+
+ assert (Kind == MCExpr::SymbolRef);
+
+ Mips::Fixups FixupKind;
+
+ switch(cast<MCSymbolRefExpr>(Expr)->getKind()) {
+ case MCSymbolRefExpr::VK_Mips_GPREL:
+ FixupKind = Mips::fixup_Mips_GPREL16;
+ break;
+ case MCSymbolRefExpr::VK_Mips_GOT_CALL:
+ FixupKind = Mips::fixup_Mips_CALL16;
+ break;
+ case MCSymbolRefExpr::VK_Mips_GOT16:
+ FixupKind = Mips::fixup_Mips_GOT_Global;
+ break;
+ case MCSymbolRefExpr::VK_Mips_GOT:
+ FixupKind = Mips::fixup_Mips_GOT_Local;
+ break;
+ case MCSymbolRefExpr::VK_Mips_ABS_HI:
+ FixupKind = Mips::fixup_Mips_HI16;
+ break;
+ case MCSymbolRefExpr::VK_Mips_ABS_LO:
+ FixupKind = Mips::fixup_Mips_LO16;
+ break;
+ case MCSymbolRefExpr::VK_Mips_TLSGD:
+ FixupKind = Mips::fixup_Mips_TLSGD;
+ break;
+ case MCSymbolRefExpr::VK_Mips_TLSLDM:
+ FixupKind = Mips::fixup_Mips_TLSLDM;
+ break;
+ case MCSymbolRefExpr::VK_Mips_DTPREL_HI:
+ FixupKind = Mips::fixup_Mips_DTPREL_HI;
+ break;
+ case MCSymbolRefExpr::VK_Mips_DTPREL_LO:
+ FixupKind = Mips::fixup_Mips_DTPREL_LO;
+ break;
+ case MCSymbolRefExpr::VK_Mips_GOTTPREL:
+ FixupKind = Mips::fixup_Mips_GOTTPREL;
+ break;
+ case MCSymbolRefExpr::VK_Mips_TPREL_HI:
+ FixupKind = Mips::fixup_Mips_TPREL_HI;
+ break;
+ case MCSymbolRefExpr::VK_Mips_TPREL_LO:
+ FixupKind = Mips::fixup_Mips_TPREL_LO;
+ break;
+ default:
+ break;
+ } // switch
+
+ Fixups.push_back(MCFixup::Create(0, MO.getExpr(), MCFixupKind(FixupKind)));
+
+ // All of the information is in the fixup.
+ return 0;
}
/// getMemEncoding - Return binary encoding of memory related operand.
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
index 7652675..f634f08 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
@@ -34,6 +34,38 @@
using namespace llvm;
+static std::string ParseMipsTriple(StringRef TT, StringRef CPU) {
+ std::string MipsArchFeature;
+ size_t DashPosition = 0;
+ StringRef TheTriple;
+
+ // Let's see if there is a dash, like mips-unknown-linux.
+ DashPosition = TT.find('-');
+
+ if (DashPosition == StringRef::npos) {
+ // No dash, we check the string size.
+ TheTriple = TT.substr(0);
+ } else {
+ // We are only interested in substring before dash.
+ TheTriple = TT.substr(0,DashPosition);
+ }
+
+ if (TheTriple == "mips" || TheTriple == "mipsel") {
+ if (CPU.empty() || CPU == "mips32") {
+ MipsArchFeature = "+mips32";
+ } else if (CPU == "mips32r2") {
+ MipsArchFeature = "+mips32r2";
+ }
+ } else {
+ if (CPU.empty() || CPU == "mips64") {
+ MipsArchFeature = "+mips64";
+ } else if (CPU == "mips64r2") {
+ MipsArchFeature = "+mips64r2";
+ }
+ }
+ return MipsArchFeature;
+}
+
static MCInstrInfo *createMipsMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitMipsMCInstrInfo(X);
@@ -48,8 +80,15 @@ static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
+ std::string ArchFS = ParseMipsTriple(TT,CPU);
+ if (!FS.empty()) {
+ if (!ArchFS.empty())
+ ArchFS = ArchFS + "," + FS.str();
+ else
+ ArchFS = FS;
+ }
MCSubtargetInfo *X = new MCSubtargetInfo();
- InitMipsMCSubtargetInfo(X, TT, CPU, FS);
+ InitMipsMCSubtargetInfo(X, TT, CPU, ArchFS);
return X;
}
@@ -67,7 +106,9 @@ static MCCodeGenInfo *createMipsMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
- if (RM == Reloc::Default)
+ if (CM == CodeModel::JITDefault)
+ RM = Reloc::Static;
+ else if (RM == Reloc::Default)
RM = Reloc::PIC_;
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
@@ -76,9 +117,10 @@ static MCCodeGenInfo *createMipsMCCodeGenInfo(StringRef TT, Reloc::Model RM,
static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
+ const MCInstrInfo &MII,
const MCRegisterInfo &MRI,
const MCSubtargetInfo &STI) {
- return new MipsInstPrinter(MAI, MRI);
+ return new MipsInstPrinter(MAI, MII, MRI);
}
static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
@@ -142,13 +184,13 @@ extern "C" void LLVMInitializeMipsTargetMC() {
// Register the asm backend.
TargetRegistry::RegisterMCAsmBackend(TheMipsTarget,
- createMipsAsmBackendEB);
+ createMipsAsmBackendEB32);
TargetRegistry::RegisterMCAsmBackend(TheMipselTarget,
- createMipsAsmBackendEL);
+ createMipsAsmBackendEL32);
TargetRegistry::RegisterMCAsmBackend(TheMips64Target,
- createMipsAsmBackendEB);
+ createMipsAsmBackendEB64);
TargetRegistry::RegisterMCAsmBackend(TheMips64elTarget,
- createMipsAsmBackendEL);
+ createMipsAsmBackendEL64);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h
index 2e58f9d..547ccdd 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.h
@@ -39,12 +39,15 @@ MCCodeEmitter *createMipsMCCodeEmitterEL(const MCInstrInfo &MCII,
const MCSubtargetInfo &STI,
MCContext &Ctx);
-MCAsmBackend *createMipsAsmBackendEB(const Target &T, StringRef TT);
-MCAsmBackend *createMipsAsmBackendEL(const Target &T, StringRef TT);
+MCAsmBackend *createMipsAsmBackendEB32(const Target &T, StringRef TT);
+MCAsmBackend *createMipsAsmBackendEL32(const Target &T, StringRef TT);
+MCAsmBackend *createMipsAsmBackendEB64(const Target &T, StringRef TT);
+MCAsmBackend *createMipsAsmBackendEL64(const Target &T, StringRef TT);
MCObjectWriter *createMipsELFObjectWriter(raw_ostream &OS,
uint8_t OSABI,
- bool IsLittleEndian);
+ bool IsLittleEndian,
+ bool Is64Bit);
} // End llvm namespace
// Defines symbolic names for Mips registers. This defines a mapping from