//===----------------------------------------------------------------------===//
#include "InstPrinter/MipsInstPrinter.h"
+#include "MipsELFStreamer.h"
#include "MipsMCTargetDesc.h"
#include "MipsTargetObjectFile.h"
#include "MipsTargetStreamer.h"
using namespace llvm;
-MipsTargetStreamer::MipsTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
+MipsTargetStreamer::MipsTargetStreamer(MCStreamer &S)
+ : MCTargetStreamer(S), canHaveModuleDirective(true) {}
void MipsTargetStreamer::emitDirectiveSetMicroMips() {}
void MipsTargetStreamer::emitDirectiveSetNoMicroMips() {}
void MipsTargetStreamer::emitDirectiveSetMips16() {}
void MipsTargetStreamer::emitDirectiveSetNoReorder() {}
void MipsTargetStreamer::emitDirectiveSetMacro() {}
void MipsTargetStreamer::emitDirectiveSetNoMacro() {}
+void MipsTargetStreamer::emitDirectiveSetMsa() { setCanHaveModuleDir(false); }
+void MipsTargetStreamer::emitDirectiveSetNoMsa() { setCanHaveModuleDir(false); }
void MipsTargetStreamer::emitDirectiveSetAt() {}
void MipsTargetStreamer::emitDirectiveSetNoAt() {}
void MipsTargetStreamer::emitDirectiveEnd(StringRef Name) {}
void MipsTargetStreamer::emitMask(unsigned CPUBitmask, int CPUTopSavedRegOff) {}
void MipsTargetStreamer::emitFMask(unsigned FPUBitmask, int FPUTopSavedRegOff) {
}
+void MipsTargetStreamer::emitDirectiveSetMips1() {}
+void MipsTargetStreamer::emitDirectiveSetMips2() {}
+void MipsTargetStreamer::emitDirectiveSetMips3() {}
+void MipsTargetStreamer::emitDirectiveSetMips4() {}
+void MipsTargetStreamer::emitDirectiveSetMips5() {}
+void MipsTargetStreamer::emitDirectiveSetMips32() {}
void MipsTargetStreamer::emitDirectiveSetMips32R2() {}
+void MipsTargetStreamer::emitDirectiveSetMips32R6() {}
void MipsTargetStreamer::emitDirectiveSetMips64() {}
void MipsTargetStreamer::emitDirectiveSetMips64R2() {}
+void MipsTargetStreamer::emitDirectiveSetMips64R6() {}
void MipsTargetStreamer::emitDirectiveSetDsp() {}
void MipsTargetStreamer::emitDirectiveCpload(unsigned RegNo) {}
void MipsTargetStreamer::emitDirectiveCpsetup(unsigned RegNo, int RegOrOffset,
const MCSymbol &Sym, bool IsReg) {
}
+void MipsTargetStreamer::emitDirectiveModuleOddSPReg(bool Enabled,
+ bool IsO32ABI) {
+ if (!Enabled && !IsO32ABI)
+ report_fatal_error("+nooddspreg is only valid for O32");
+}
MipsTargetAsmStreamer::MipsTargetAsmStreamer(MCStreamer &S,
formatted_raw_ostream &OS)
void MipsTargetAsmStreamer::emitDirectiveSetMicroMips() {
OS << "\t.set\tmicromips\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetNoMicroMips() {
OS << "\t.set\tnomicromips\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetMips16() {
OS << "\t.set\tmips16\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetNoMips16() {
OS << "\t.set\tnomips16\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetReorder() {
OS << "\t.set\treorder\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetNoReorder() {
OS << "\t.set\tnoreorder\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetMacro() {
OS << "\t.set\tmacro\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetNoMacro() {
OS << "\t.set\tnomacro\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMsa() {
+ OS << "\t.set\tmsa\n";
+ MipsTargetStreamer::emitDirectiveSetMsa();
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetNoMsa() {
+ OS << "\t.set\tnomsa\n";
+ MipsTargetStreamer::emitDirectiveSetNoMsa();
}
void MipsTargetAsmStreamer::emitDirectiveSetAt() {
OS << "\t.set\tat\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetNoAt() {
OS << "\t.set\tnoat\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveEnd(StringRef Name) {
<< StringRef(MipsInstPrinter::getRegisterName(ReturnReg)).lower() << '\n';
}
+void MipsTargetAsmStreamer::emitDirectiveSetMips1() {
+ OS << "\t.set\tmips1\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips2() {
+ OS << "\t.set\tmips2\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips3() {
+ OS << "\t.set\tmips3\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips4() {
+ OS << "\t.set\tmips4\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips5() {
+ OS << "\t.set\tmips5\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips32() {
+ OS << "\t.set\tmips32\n";
+ setCanHaveModuleDir(false);
+}
+
void MipsTargetAsmStreamer::emitDirectiveSetMips32R2() {
OS << "\t.set\tmips32r2\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips32R6() {
+ OS << "\t.set\tmips32r6\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetMips64() {
OS << "\t.set\tmips64\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetMips64R2() {
OS << "\t.set\tmips64r2\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetMips64R6() {
+ OS << "\t.set\tmips64r6\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveSetDsp() {
OS << "\t.set\tdsp\n";
+ setCanHaveModuleDir(false);
}
// Print a 32 bit hex number with all numbers.
static void printHex32(unsigned Value, raw_ostream &OS) {
OS << "0x";
for (int i = 7; i >= 0; i--)
- OS.write_hex((Value & (0xF << (i*4))) >> (i*4));
+ OS.write_hex((Value & (0xF << (i * 4))) >> (i * 4));
}
void MipsTargetAsmStreamer::emitMask(unsigned CPUBitmask,
void MipsTargetAsmStreamer::emitDirectiveCpload(unsigned RegNo) {
OS << "\t.cpload\t$"
<< StringRef(MipsInstPrinter::getRegisterName(RegNo)).lower() << "\n";
+ setCanHaveModuleDir(false);
}
void MipsTargetAsmStreamer::emitDirectiveCpsetup(unsigned RegNo,
OS << ", ";
OS << Sym.getName() << "\n";
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetAsmStreamer::emitDirectiveModuleFP(
+ MipsABIFlagsSection::FpABIKind Value, bool Is32BitABI) {
+ MipsTargetStreamer::emitDirectiveModuleFP(Value, Is32BitABI);
+
+ StringRef ModuleValue;
+ OS << "\t.module\tfp=";
+ OS << ABIFlagsSection.getFpABIString(Value) << "\n";
+}
+
+void MipsTargetAsmStreamer::emitDirectiveSetFp(
+ MipsABIFlagsSection::FpABIKind Value) {
+ StringRef ModuleValue;
+ OS << "\t.set\tfp=";
+ OS << ABIFlagsSection.getFpABIString(Value) << "\n";
+}
+
+void MipsTargetAsmStreamer::emitMipsAbiFlags() {
+ // No action required for text output.
+}
+
+void MipsTargetAsmStreamer::emitDirectiveModuleOddSPReg(bool Enabled,
+ bool IsO32ABI) {
+ MipsTargetStreamer::emitDirectiveModuleOddSPReg(Enabled, IsO32ABI);
+
+ OS << "\t.module\t" << (Enabled ? "" : "no") << "oddspreg\n";
}
// This part is for ELF object output.
MCAssembler &MCA = getStreamer().getAssembler();
uint64_t Features = STI.getFeatureBits();
Triple T(STI.getTargetTriple());
- Pic = (MCA.getContext().getObjectFileInfo()->getRelocM() == Reloc::PIC_)
+ Pic = (MCA.getContext().getObjectFileInfo()->getRelocM() == Reloc::PIC_)
? true
: false;
else
EFlags |= ELF::EF_MIPS_ARCH_1;
- if (T.isArch64Bit()) {
- if (Features & Mips::FeatureN32)
- EFlags |= ELF::EF_MIPS_ABI2;
- else if (Features & Mips::FeatureO32) {
- EFlags |= ELF::EF_MIPS_ABI_O32;
- EFlags |= ELF::EF_MIPS_32BITMODE; /* Compatibility Mode */
- }
- // No need to set any bit for N64 which is the default ABI at the moment
- // for 64-bit Mips architectures.
- } else {
- if (Features & Mips::FeatureMips64r2 || Features & Mips::FeatureMips64)
- EFlags |= ELF::EF_MIPS_32BITMODE;
-
- // ABI
+ // ABI
+ // N64 does not require any ABI bits.
+ if (Features & Mips::FeatureO32)
EFlags |= ELF::EF_MIPS_ABI_O32;
- }
+ else if (Features & Mips::FeatureN32)
+ EFlags |= ELF::EF_MIPS_ABI2;
+
+ if (Features & Mips::FeatureGP64Bit) {
+ if (Features & Mips::FeatureO32)
+ EFlags |= ELF::EF_MIPS_32BITMODE; /* Compatibility Mode */
+ } else if (Features & Mips::FeatureMips64r2 || Features & Mips::FeatureMips64)
+ EFlags |= ELF::EF_MIPS_32BITMODE;
// Other options.
if (Features & Mips::FeatureNaN2008)
EFlags |= ELF::EF_MIPS_NAN2008;
+ // -mabicalls and -mplt are not implemented but we should act as if they were
+ // given.
+ EFlags |= ELF::EF_MIPS_CPIC;
+ if (Features & Mips::FeatureN64)
+ EFlags |= ELF::EF_MIPS_PIC;
+
MCA.setELFHeaderEFlags(EFlags);
}
void MipsTargetELFStreamer::finish() {
MCAssembler &MCA = getStreamer().getAssembler();
- MCContext &Context = MCA.getContext();
- MCStreamer &OS = getStreamer();
- Triple T(STI.getTargetTriple());
- uint64_t Features = STI.getFeatureBits();
+ const MCObjectFileInfo &OFI = *MCA.getContext().getObjectFileInfo();
- if (T.isArch64Bit() && (Features & Mips::FeatureN64)) {
- const MCSectionELF *Sec = Context.getELFSection(
- ".MIPS.options", ELF::SHT_MIPS_OPTIONS,
- ELF::SHF_ALLOC | ELF::SHF_MIPS_NOSTRIP, SectionKind::getMetadata());
- OS.SwitchSection(Sec);
-
- OS.EmitIntValue(1, 1); // kind
- OS.EmitIntValue(40, 1); // size
- OS.EmitIntValue(0, 2); // section
- OS.EmitIntValue(0, 4); // info
- OS.EmitIntValue(0, 4); // ri_gprmask
- OS.EmitIntValue(0, 4); // pad
- OS.EmitIntValue(0, 4); // ri_cpr[0]mask
- OS.EmitIntValue(0, 4); // ri_cpr[1]mask
- OS.EmitIntValue(0, 4); // ri_cpr[2]mask
- OS.EmitIntValue(0, 4); // ri_cpr[3]mask
- OS.EmitIntValue(0, 8); // ri_gp_value
- } else {
- const MCSectionELF *Sec =
- Context.getELFSection(".reginfo", ELF::SHT_MIPS_REGINFO, ELF::SHF_ALLOC,
- SectionKind::getMetadata());
- OS.SwitchSection(Sec);
-
- OS.EmitIntValue(0, 4); // ri_gprmask
- OS.EmitIntValue(0, 4); // ri_cpr[0]mask
- OS.EmitIntValue(0, 4); // ri_cpr[1]mask
- OS.EmitIntValue(0, 4); // ri_cpr[2]mask
- OS.EmitIntValue(0, 4); // ri_cpr[3]mask
- OS.EmitIntValue(0, 4); // ri_gp_value
- }
+ // .bss, .text and .data are always at least 16-byte aligned.
+ MCSectionData &TextSectionData =
+ MCA.getOrCreateSectionData(*OFI.getTextSection());
+ MCSectionData &DataSectionData =
+ MCA.getOrCreateSectionData(*OFI.getDataSection());
+ MCSectionData &BSSSectionData =
+ MCA.getOrCreateSectionData(*OFI.getBSSSection());
+
+ TextSectionData.setAlignment(std::max(16u, TextSectionData.getAlignment()));
+ DataSectionData.setAlignment(std::max(16u, DataSectionData.getAlignment()));
+ BSSSectionData.setAlignment(std::max(16u, BSSSectionData.getAlignment()));
+
+ // Emit all the option records.
+ // At the moment we are only emitting .Mips.options (ODK_REGINFO) and
+ // .reginfo.
+ MipsELFStreamer &MEF = static_cast<MipsELFStreamer &>(Streamer);
+ MEF.EmitMipsOptionRecords();
+
+ emitMipsAbiFlags();
}
void MipsTargetELFStreamer::emitAssignment(MCSymbol *Symbol,
if (Value->getKind() != MCExpr::SymbolRef)
return;
const MCSymbol &RhsSym =
- static_cast<const MCSymbolRefExpr *>(Value)->getSymbol();
+ static_cast<const MCSymbolRefExpr *>(Value)->getSymbol();
MCSymbolData &Data = getStreamer().getOrCreateSymbolData(&RhsSym);
uint8_t Type = MCELF::GetType(Data);
- if ((Type != ELF::STT_FUNC)
- || !(MCELF::getOther(Data) & (ELF::STO_MIPS_MICROMIPS >> 2)))
+ if ((Type != ELF::STT_FUNC) ||
+ !(MCELF::getOther(Data) & (ELF::STO_MIPS_MICROMIPS >> 2)))
return;
MCSymbolData &SymbolData = getStreamer().getOrCreateSymbolData(Symbol);
void MipsTargetELFStreamer::emitDirectiveSetNoMicroMips() {
MicroMipsEnabled = false;
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetMips16() {
unsigned Flags = MCA.getELFHeaderEFlags();
Flags |= ELF::EF_MIPS_ARCH_ASE_M16;
MCA.setELFHeaderEFlags(Flags);
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetNoMips16() {
// FIXME: implement.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetReorder() {
// FIXME: implement.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetNoReorder() {
unsigned Flags = MCA.getELFHeaderEFlags();
Flags |= ELF::EF_MIPS_NOREORDER;
MCA.setELFHeaderEFlags(Flags);
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetMacro() {
// FIXME: implement.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetNoMacro() {
// FIXME: implement.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetAt() {
// FIXME: implement.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetNoAt() {
// FIXME: implement.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveEnd(StringRef Name) {
// FIXME: implement.
}
+void MipsTargetELFStreamer::emitDirectiveSetMips1() {
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips2() {
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips3() {
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips4() {
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips5() {
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips32() {
+ setCanHaveModuleDir(false);
+}
+
void MipsTargetELFStreamer::emitDirectiveSetMips32R2() {
- // No action required for ELF output.
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips32R6() {
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetMips64() {
- // No action required for ELF output.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetMips64R2() {
- // No action required for ELF output.
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitDirectiveSetMips64R6() {
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveSetDsp() {
- // No action required for ELF output.
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveCpload(unsigned RegNo) {
TmpInst.addOperand(MCOperand::CreateReg(Mips::GP));
TmpInst.addOperand(MCOperand::CreateReg(RegNo));
getStreamer().EmitInstruction(TmpInst, STI);
+
+ setCanHaveModuleDir(false);
}
void MipsTargetELFStreamer::emitDirectiveCpsetup(unsigned RegNo,
Inst.addOperand(MCOperand::CreateReg(Mips::GP));
Inst.addOperand(MCOperand::CreateReg(RegNo));
getStreamer().EmitInstruction(Inst, STI);
+
+ setCanHaveModuleDir(false);
+}
+
+void MipsTargetELFStreamer::emitMipsAbiFlags() {
+ MCAssembler &MCA = getStreamer().getAssembler();
+ MCContext &Context = MCA.getContext();
+ MCStreamer &OS = getStreamer();
+ const MCSectionELF *Sec =
+ Context.getELFSection(".MIPS.abiflags", ELF::SHT_MIPS_ABIFLAGS,
+ ELF::SHF_ALLOC, SectionKind::getMetadata(), 24, "");
+ MCSectionData &ABIShndxSD = MCA.getOrCreateSectionData(*Sec);
+ ABIShndxSD.setAlignment(8);
+ OS.SwitchSection(Sec);
+
+ OS << ABIFlagsSection;
+}
+
+void MipsTargetELFStreamer::emitDirectiveModuleOddSPReg(bool Enabled,
+ bool IsO32ABI) {
+ MipsTargetStreamer::emitDirectiveModuleOddSPReg(Enabled, IsO32ABI);
+
+ ABIFlagsSection.OddSPReg = Enabled;
}
projects / oota-llvm.git / blobdiff